SM-T577U | Samsung firmwares by model | EN

Download the latest Samsung firmware ✅ model SM-T577U. Full list of firmwares available for download

Showing 1-10 of 177 items.
Samsung firmware list
DeviceModelRegionPDA/AP VersionCSC VersionMODEM/CP VersionOs VersionBuild Date
Samsung Galaxy Tab Active3SM-T577UVTRT577UVLS8EXC1T577UOYV8EXC1T577UVLS8EXC113
Samsung Galaxy Tab Active3SM-T577UXACT577UVLS8EXC1T577UOYV8EXC1T577UVLS8EXC113
Samsung Galaxy Tab Active3SM-T577UTBT T577UVLS8EXC1 T577UOYV8EXC1T577UVLS8EXC113
Samsung Galaxy Tab Active3SM-T577UFMCT577UVLS8EXC1T577UOYV8EXC1T577UVLS8EXC113
Samsung Galaxy Tab Active3SM-T577URWC T577UVLS8EXC1 T577UOYV8EXC1T577UVLS8EXC113
Samsung Galaxy Tab Active3SM-T577UCHR T577UVLS8EXC1 T577UOYV8EXC1T577UVLS8EXC113
Samsung Galaxy Tab Active3SM-T577UBMCT577UVLS8EXC1T577UOYV8EXC1T577UVLS8EXC113
Samsung Galaxy Tab Active3SM-T577UATT T577UUES8EXC1 T577UOYM8EXC1T577UUES8EXC113
Samsung Galaxy Tab Active3SM-T577UXAAT577UUES8EXC1T577UOYM8EXC1T577UUES8EXC113
Samsung Galaxy Tab Active3SM-T577UVZW T577UUES8EXC1 T577UOYM8EXC1T577UUES8EXC113

Changelog: SM-T577U

• The security of your device has been improved.

• The security of your device has been improved.

· The security of your device has been improved.

• The security of your device has been improved.

• The security of your device has been improved.

• The security of your device has been improved.

· The security of your device has been improved.

· The security of your device has been improved.

· The security of your device has been improved.

· The security of your device has been improved.

One UI 5.1 Update

One UI 5.1 takes your phone to the next level with new Gallery features as well as productivity and personalization enhancements.


Camera and Gallery

Quickly change the color tone for selfies
It's easier to change the color tone of your selfies using the Effects button at the top of the screen.

More powerful search
You can now search your Gallery for more than one person or subject at the same time. You can even search for people without tagging their names just by tapping their faces.

Enhanced image remastering
Remastering does more to make your pictures look great by removing shadows and reflections. You can also remaster GIFs for better resolution and clarity. Preview has also been improved to make it easier to compare the original picture with the remaster.

Create a shared family album
It’s easier than ever to share pictures with your family. Gallery will recommend pictures to add to your shared family album by recognizing the faces of family members you select. You get 5 GB of storage for each family member (up to 6 people).

Revamped info display
When you swipe up while viewing a picture or video in your Gallery, you can see when and where the picture was taken, which device took the picture, where the picture is stored, and more. Now with a simpler layout.


Multitasking

Easily minimize or switch to full screen
You can now minimize or maximize an app window without going to the options menu. Just drag one of the corners.

Access your most used apps in split screen
When you start a split-screen view, the apps you use most often will be shown below your recently used apps to help you find the apps you need faster.

Improved multitasking in DeX
In split-screen view, you can now drag the divider in the center of the screen to resize both windows. You can also snap a window to one of the corners to make it fill a quarter of the screen.


Modes and Routines

Change wallpapers based on your mode
Set a different wallpaper based on your current activity. Choose one wallpaper for work, one for exercising, and more.

More actions for routines
New actions let you control Quick Share and Touch sensitivity, change your ringtone, and change your font style.


Weather

Quick access to useful information
Check severe weather alerts, daily weather summaries, and sunrise/sunset times at the top of the Weather app. The temperature graph now uses colors to show how the temperature changes throughout the day.

Hourly precipitation graph
An hourly graph now shows how much precipitation has fallen at different times of the day.

Summary on Weather widget
A brief summary of the current weather conditions now appears on the weather widget to let you know if it's sunny, cloudy, raining, or snowing.


Samsung Internet

Continue browsing on another device
If you're browsing the web on one Galaxy phone or tablet and later open the Internet app on another Galaxy device signed in to the same Samsung account, a button will appear that lets you open the last webpage you were viewing on the other device.

Improved search
Your searches now include the names of bookmark folders and tab groups. Improved search logic lets you find what you're looking for even if something isn't spelled correctly.


Additional changes

Check the battery level of your devices
The new Battery widget lets you check the battery level of your devices, right from the Home screen. You can see how much battery is left on your phone, Galaxy Buds, Galaxy Watch, and other supported devices.

Settings suggestions
While signed in to your Samsung account, suggestions will appear at the top of the Settings screen to help you share, connect, and enhance your experience across your Galaxy devices.

Spotify suggestions
The Smart suggestions widget now recommends Spotify tracks and playlists based on your current activity. Get the perfect tunes for driving, exercising, and more. To get suggestions, you need to sign in to a Spotify account in the latest version of the Spotify app.

Choose where to save screenshots and screen recordings
You can now change the folder where screenshots and screen recordings are saved.

One UI 5.1 Update

One UI 5.1 takes your phone to the next level with new Gallery features as well as productivity and personalization enhancements.


Camera and Gallery

Quickly change the color tone for selfies
It's easier to change the color tone of your selfies using the Effects button at the top of the screen.

More powerful search
You can now search your Gallery for more than one person or subject at the same time. You can even search for people without tagging their names just by tapping their faces.

Enhanced image remastering
Remastering does more to make your pictures look great by removing shadows and reflections. You can also remaster GIFs for better resolution and clarity. Preview has also been improved to make it easier to compare the original picture with the remaster.

Create a shared family album
It’s easier than ever to share pictures with your family. Gallery will recommend pictures to add to your shared family album by recognizing the faces of family members you select. You get 5 GB of storage for each family member (up to 6 people).

Revamped info display
When you swipe up while viewing a picture or video in your Gallery, you can see when and where the picture was taken, which device took the picture, where the picture is stored, and more. Now with a simpler layout.


Multitasking

Easily minimize or switch to full screen
You can now minimize or maximize an app window without going to the options menu. Just drag one of the corners.

Access your most used apps in split screen
When you start a split-screen view, the apps you use most often will be shown below your recently used apps to help you find the apps you need faster.

Improved multitasking in DeX
In split-screen view, you can now drag the divider in the center of the screen to resize both windows. You can also snap a window to one of the corners to make it fill a quarter of the screen.


Modes and Routines

Change wallpapers based on your mode
Set a different wallpaper based on your current activity. Choose one wallpaper for work, one for exercising, and more.

More actions for routines
New actions let you control Quick Share and Touch sensitivity, change your ringtone, and change your font style.


Weather

Quick access to useful information
Check severe weather alerts, daily weather summaries, and sunrise/sunset times at the top of the Weather app. The temperature graph now uses colors to show how the temperature changes throughout the day.

Hourly precipitation graph
An hourly graph now shows how much precipitation has fallen at different times of the day.

Summary on Weather widget
A brief summary of the current weather conditions now appears on the weather widget to let you know if it's sunny, cloudy, raining, or snowing.


Samsung Internet

Continue browsing on another device
If you're browsing the web on one Galaxy phone or tablet and later open the Internet app on another Galaxy device signed in to the same Samsung account, a button will appear that lets you open the last webpage you were viewing on the other device.

Improved search
Your searches now include the names of bookmark folders and tab groups. Improved search logic lets you find what you're looking for even if something isn't spelled correctly.


Additional changes

Check the battery level of your devices
The new Battery widget lets you check the battery level of your devices, right from the Home screen. You can see how much battery is left on your phone, Galaxy Buds, Galaxy Watch, and other supported devices.

Settings suggestions
While signed in to your Samsung account, suggestions will appear at the top of the Settings screen to help you share, connect, and enhance your experience across your Galaxy devices.

Spotify suggestions
The Smart suggestions widget now recommends Spotify tracks and playlists based on your current activity. Get the perfect tunes for driving, exercising, and more. To get suggestions, you need to sign in to a Spotify account in the latest version of the Spotify app.

Choose where to save screenshots and screen recordings
You can now change the folder where screenshots and screen recordings are saved.

One UI 5 Upgrade (Android 13)

One UI 5 brings you more powerful personalization and makes it easier to get things done across your Galaxy devices.


Visual design

New app icons and illustrations
Icon symbols are larger for a bolder look that's easier to scan. Subtle background gradients and improved contrast give a fresher, more natural feel. New help illustrations have been created to give a consistent look to all apps.

Smoother than ever before
New animations and transition effects make switching between screens feel more natural. Animations and other visual feedback appear instantly when you touch the screen, making interactions more intuitive. Scrolling speed has also been enhanced to make scrolling feel smoother throughout One UI.

Enhanced blur effects and colors
Background blur effects on the quick panel, Home screen, and throughout One UI have been improved with brighter colors for a clearer and more consistent experience. Simplified app color schemes help you avoid distractions and focus on your current task.


Customization

Customize your Lock screen
Just touch and hold the Lock screen to edit. What could be simpler? Customize your wallpaper, clock style, notification settings, and more, with live preview, all in one place.

More wallpaper choices
Wallpaper settings have been redesigned making it easier to find the perfect wallpaper for your Home and Lock screens. There are more images, videos, colors, and filters to choose from than ever before.

More options for your color palette
It's easier to find the colors that are right for you. Choose from up to 16 color themes based on your wallpaper as well as preset color themes that are designed to look great.

Easily see who’s calling
Set a different call background for each contact so you easily see who's calling with just a quick glance.


Modes and routines

Choose modes based on your activity
Choose a mode based on what you're doing, such as exercising, working, or relaxing, then choose what you want your phone to do in each situation. For example, turn on Do not disturb when you're relaxing or play music when you're driving.

Bedtime mode is now Sleep mode
Sleep mode lets you automate more actions when it's time for bed, like turning on Dark mode and changing the sound mode.

Easier to discover preset routines
A simplified layout makes it easier to find routines that are useful for you.

Check running routines quickly
Routines that are currently running are now shown at the top of the Routines screen so you can understand what's happening and make changes if necessary.

More actions and conditions for your routines
Automatically start routines when you use Airplane mode or Mobile Hotspot. Routines can now open app pairs and adjust the left/right sound balance.


Home screen widgets

Stack widgets on your Home screen
Combine several widgets of the same size into a single widget to save space on your Home screen. Just drag a widget onto another widget to create a stack, then swipe to switch between widgets. You can add more widgets to your stack at any time by dragging and dropping.


Connected devices

Do more with your connected devices
The Connected devices menu has been added to Settings, making it quicker and easier to access features that work with other devices, like Quick Share, Smart View, and Samsung DeX.

Hide notifications on your TV
When viewing content from your tablet on your TV with Smart View, you can choose to hide notifications on your TV to prevent others from seeing your personal information.

Play sound from your tablet on any Chromecast device
Available Chromecast devices will appear when you tap Media output in the quick panel on your tablet. Just tap the device where you want to play music or other audio content.


Camera and Gallery

Get help with Pro mode
A help icon will appear in Pro and Pro video modes. Tap the icon to get tips and guidance for using the various lenses, options, and controls.

Add watermarks to your pictures
Automatically add a watermark to each picture containing the date and time a picture was taken, your tablet's model name, or other custom information.

Choose filters more easily
The filter selection menu has been streamlined in Camera, Photo Editor, and Video Editor. All filters are available in one list, making it easier to find the perfect filter for your picture or video.

Customize albums in Gallery
Merge albums that have the same name and create albums that automatically update to include pictures of people you select. Your shared albums will now appear together with your other albums.

All-new look for Stories
Stories that are automatically created in your Gallery have been revamped with an interactive slideshow view. Just tap or swipe to move between pictures and videos in your story.


Photo and Video Editor

Create stickers from any picture
Create reusable stickers from any picture in your gallery. Just select the part of the picture you want to use as a sticker, then adjust the thickness and color of the outlines.

More ways to edit GIFs
You can trim and adjust the ratio of animated GIFs to make them the right size. You can also use the same editing features that are available for still images to decorate your GIF however you like.

Keep portrait mode effects even after editing
Portrait mode effects are now retained even after cropping or changing filters so you can adjust the background blur at any time.

Draw perfect shapes on pictures and videos
Use the pen tool to draw a shape such as a circle, triangle, rectangle, or heart. Hold your finger on the screen when you finish drawing to make it instantly transform to straight lines and perfect angles.

New stickers for photos and videos
60 new preloaded emoji stickers are available for decorating your pictures and videos.


Samsung DeX

Enhanced taskbar in Samsung DeX
A search button has been added to make it easier to find apps you want to use, and you can right-click certain apps to quickly access tasks within the app. You can also customize which buttons you want to appear on your taskbar.

New notification indicator in DeX
A red dot will appear on the notification button in your taskbar if any new notifications have been received since the last time you opened the notification panel.

Mini calendar in DeX
Clicking the date in your taskbar now opens a mini calendar, allowing you to quickly check your schedule without opening the full Calendar app.


Notifications

Get only the notifications you allow
When you use an app for the first time, you’ll be asked whether you want to receive notifications from it. Feel free to say no to apps that you don’t want to disturb you.

Easier access to app notification controls
Is an app sending you too many notifications? It's easier than ever to block it with reorganized notification settings placing app notification controls at the top. You can also go directly to app notification settings using the button at the bottom of the notification panel.

Choose which types of notifications apps can send
You now have separate control over whether apps can show pop-up notifications, app icon badges, and notifications on the Lock screen. Allow all types, some, or none. It's up to you.

New layout for notifications
App icons are larger, making it easier to see which app sent the notification. Text alignment has also been improved to make notifications easier to read.


Settings

Set a language for each app
Want to use some apps in one language and other apps in another? You can now choose which language will be used for each app in Settings.

Set exceptions for Do not disturb
You can now set individual contacts as exceptions to Do not disturb. Your phone will ring or vibrate when the people you choose call and send messages to you, even when Do not disturb is on. It’s also easier to set apps as exceptions so you get notification alerts from them even when Do not disturb is on. Just choose the apps you want to allow from the new grid.

Improved sound and vibration settings
Menus have been reorganized to make it easier to find the sound and vibration options you need. Set your ringtone and change the volume and vibration settings, all in the same place.

More options for RAM Plus
RAM Plus can now be turned off completely in Device care if you don’t need it or don’t want it to use any storage space.

Auto optimization
Device care keeps your tablet running smoothly by automatically performing optimizations in the background. To keep your tablet in the best condition, you can set your tablet to automatically restart when needed.


Security and privacy

Check your tablet’s security status at a glance
The new Security dashboard in Settings shows whether your phone has any security issues and helps you fix them quickly.

Security and privacy information for websites
An icon will appear in the address bar in Samsung Internet to show a site's security status. Tap the icon to learn which information the website collects and tracks.
Maintenance mode
Protect your privacy when someone else is using your tablet, such as when you send it in for repairs.


Accessibility

More accessibility options in the quick panel
High contrast font and Color inversion can be added to the quick panel for easier access.

More spoken assistance
Choose from various types of voice feedback to get help using your tablet even if you can't see the screen clearly. You can make your tablet read out keyboard input so you can be sure you typed the correct letter, and turn on audio descriptions that explain what's happening in a video (only for supported videos).

Easily edit your Accessibility button
Tap and hold the Accessibility button to quickly change the features you can access using the button.

New actions available for Corner actions
If you're using a mouse or trackpad, new actions are available when you move the mouse pointer to one of the 4 corners of the screen. You can now click and hold, drag, or drag and drop.


Additional changes

Use several timers at once
You can now start a new timer in the Clock app even if another timer is still running.

New emojis available for emoji pairs
In Samsung Keyboard, more than 80 additional emojis are available for creating an emoji pair. You can now combine emojis based on animals, food, and other objects in addition to facial expressions. Choose the perfect combination to get your feelings across.

More control over calendar event invitees
When you add an event to your Google calendar in the Samsung Calendar app, you can choose whether invitees are allowed to see who else is invited to the event and also choose whether they can invite other people.

Add video conferences to your events
When you create a Google calendar event in the Samsung Calendar app, you can set up a video conference at the same time. Everyone invited to your event will receive the link to the video conference.

Add stickers to your Google calendar
Add stickers to Google calendar events in the Samsung Calendar app to make them easy to see at a glance. Stickers are shown in both calendar and agenda views.

Stay on top of reminders due today
The new Today category shows only reminders due today. You can also check reminders due today at the top of the main screen in the Reminder app.

Show and hide completed reminders
You can show or hide the completed reminders in any category. Show to see what you've already done, or hide to stay focused on things you still need to finish.

Drag and drop bookmarks between folders
Keep your Samsung Internet bookmarks organized by dragging and dropping them between folders.

More powerful search in My Files
Choose whether to search all files or only files in the current folder. You can also choose between searching only file names or searching information inside of files, such as text in documents or location information in images. When your search is complete, you can sort the results by name, date, size, or file type.

Redesigned Digital Wellbeing
The new dashboard provides clearer usage details and makes it easier to access the features you need, such as app timers and screen time reports.

Get help in an emergency
Quickly press the Side key 5 times to call emergency services even if you aren't able to talk.

Show app names in the Apps edge panel
Turn on Show app names to make app names appear below the app icons.


Some apps will need to be updated separately after the One UI 5 upgrade.

One UI 5 Upgrade (Android 13)

One UI 5 brings you more powerful personalization and makes it easier to get things done across your Galaxy devices.


Visual design

New app icons and illustrations
Icon symbols are larger for a bolder look that's easier to scan. Subtle background gradients and improved contrast give a fresher, more natural feel. New help illustrations have been created to give a consistent look to all apps.

Smoother than ever before
New animations and transition effects make switching between screens feel more natural. Animations and other visual feedback appear instantly when you touch the screen, making interactions more intuitive. Scrolling speed has also been enhanced to make scrolling feel smoother throughout One UI.

Enhanced blur effects and colors
Background blur effects on the quick panel, Home screen, and throughout One UI have been improved with brighter colors for a clearer and more consistent experience. Simplified app color schemes help you avoid distractions and focus on your current task.


Customization

Customize your Lock screen
Just touch and hold the Lock screen to edit. What could be simpler? Customize your wallpaper, clock style, notification settings, and more, with live preview, all in one place.

More wallpaper choices
Wallpaper settings have been redesigned making it easier to find the perfect wallpaper for your Home and Lock screens. There are more images, videos, colors, and filters to choose from than ever before.

More options for your color palette
It's easier to find the colors that are right for you. Choose from up to 16 color themes based on your wallpaper as well as preset color themes that are designed to look great.

Easily see who’s calling
Set a different call background for each contact so you easily see who's calling with just a quick glance.


Modes and routines

Choose modes based on your activity
Choose a mode based on what you're doing, such as exercising, working, or relaxing, then choose what you want your phone to do in each situation. For example, turn on Do not disturb when you're relaxing or play music when you're driving.

Bedtime mode is now Sleep mode
Sleep mode lets you automate more actions when it's time for bed, like turning on Dark mode and changing the sound mode.

Easier to discover preset routines
A simplified layout makes it easier to find routines that are useful for you.

Check running routines quickly
Routines that are currently running are now shown at the top of the Routines screen so you can understand what's happening and make changes if necessary.

More actions and conditions for your routines
Automatically start routines when you use Airplane mode or Mobile Hotspot. Routines can now open app pairs and adjust the left/right sound balance.


Home screen widgets

Stack widgets on your Home screen
Combine several widgets of the same size into a single widget to save space on your Home screen. Just drag a widget onto another widget to create a stack, then swipe to switch between widgets. You can add more widgets to your stack at any time by dragging and dropping.


Connected devices

Do more with your connected devices
The Connected devices menu has been added to Settings, making it quicker and easier to access features that work with other devices, like Quick Share, Smart View, and Samsung DeX.

Hide notifications on your TV
When viewing content from your tablet on your TV with Smart View, you can choose to hide notifications on your TV to prevent others from seeing your personal information.

Play sound from your tablet on any Chromecast device
Available Chromecast devices will appear when you tap Media output in the quick panel on your tablet. Just tap the device where you want to play music or other audio content.


Camera and Gallery

Get help with Pro mode
A help icon will appear in Pro and Pro video modes. Tap the icon to get tips and guidance for using the various lenses, options, and controls.

Add watermarks to your pictures
Automatically add a watermark to each picture containing the date and time a picture was taken, your tablet's model name, or other custom information.

Choose filters more easily
The filter selection menu has been streamlined in Camera, Photo Editor, and Video Editor. All filters are available in one list, making it easier to find the perfect filter for your picture or video.

Customize albums in Gallery
Merge albums that have the same name and create albums that automatically update to include pictures of people you select. Your shared albums will now appear together with your other albums.

All-new look for Stories
Stories that are automatically created in your Gallery have been revamped with an interactive slideshow view. Just tap or swipe to move between pictures and videos in your story.


Photo and Video Editor

Create stickers from any picture
Create reusable stickers from any picture in your gallery. Just select the part of the picture you want to use as a sticker, then adjust the thickness and color of the outlines.

More ways to edit GIFs
You can trim and adjust the ratio of animated GIFs to make them the right size. You can also use the same editing features that are available for still images to decorate your GIF however you like.

Keep portrait mode effects even after editing
Portrait mode effects are now retained even after cropping or changing filters so you can adjust the background blur at any time.

Draw perfect shapes on pictures and videos
Use the pen tool to draw a shape such as a circle, triangle, rectangle, or heart. Hold your finger on the screen when you finish drawing to make it instantly transform to straight lines and perfect angles.

New stickers for photos and videos
60 new preloaded emoji stickers are available for decorating your pictures and videos.


Samsung DeX

Enhanced taskbar in Samsung DeX
A search button has been added to make it easier to find apps you want to use, and you can right-click certain apps to quickly access tasks within the app. You can also customize which buttons you want to appear on your taskbar.

New notification indicator in DeX
A red dot will appear on the notification button in your taskbar if any new notifications have been received since the last time you opened the notification panel.

Mini calendar in DeX
Clicking the date in your taskbar now opens a mini calendar, allowing you to quickly check your schedule without opening the full Calendar app.


Notifications

Get only the notifications you allow
When you use an app for the first time, you’ll be asked whether you want to receive notifications from it. Feel free to say no to apps that you don’t want to disturb you.

Easier access to app notification controls
Is an app sending you too many notifications? It's easier than ever to block it with reorganized notification settings placing app notification controls at the top. You can also go directly to app notification settings using the button at the bottom of the notification panel.

Choose which types of notifications apps can send
You now have separate control over whether apps can show pop-up notifications, app icon badges, and notifications on the Lock screen. Allow all types, some, or none. It's up to you.

New layout for notifications
App icons are larger, making it easier to see which app sent the notification. Text alignment has also been improved to make notifications easier to read.


Settings

Set a language for each app
Want to use some apps in one language and other apps in another? You can now choose which language will be used for each app in Settings.

Set exceptions for Do not disturb
You can now set individual contacts as exceptions to Do not disturb. Your phone will ring or vibrate when the people you choose call and send messages to you, even when Do not disturb is on. It’s also easier to set apps as exceptions so you get notification alerts from them even when Do not disturb is on. Just choose the apps you want to allow from the new grid.

Improved sound and vibration settings
Menus have been reorganized to make it easier to find the sound and vibration options you need. Set your ringtone and change the volume and vibration settings, all in the same place.

More options for RAM Plus
RAM Plus can now be turned off completely in Device care if you don’t need it or don’t want it to use any storage space.

Auto optimization
Device care keeps your tablet running smoothly by automatically performing optimizations in the background. To keep your tablet in the best condition, you can set your tablet to automatically restart when needed.


Security and privacy

Check your tablet’s security status at a glance
The new Security dashboard in Settings shows whether your phone has any security issues and helps you fix them quickly.

Security and privacy information for websites
An icon will appear in the address bar in Samsung Internet to show a site's security status. Tap the icon to learn which information the website collects and tracks.
Maintenance mode
Protect your privacy when someone else is using your tablet, such as when you send it in for repairs.


Accessibility

More accessibility options in the quick panel
High contrast font and Color inversion can be added to the quick panel for easier access.

More spoken assistance
Choose from various types of voice feedback to get help using your tablet even if you can't see the screen clearly. You can make your tablet read out keyboard input so you can be sure you typed the correct letter, and turn on audio descriptions that explain what's happening in a video (only for supported videos).

Easily edit your Accessibility button
Tap and hold the Accessibility button to quickly change the features you can access using the button.

New actions available for Corner actions
If you're using a mouse or trackpad, new actions are available when you move the mouse pointer to one of the 4 corners of the screen. You can now click and hold, drag, or drag and drop.


Additional changes

Use several timers at once
You can now start a new timer in the Clock app even if another timer is still running.

New emojis available for emoji pairs
In Samsung Keyboard, more than 80 additional emojis are available for creating an emoji pair. You can now combine emojis based on animals, food, and other objects in addition to facial expressions. Choose the perfect combination to get your feelings across.

More control over calendar event invitees
When you add an event to your Google calendar in the Samsung Calendar app, you can choose whether invitees are allowed to see who else is invited to the event and also choose whether they can invite other people.

Add video conferences to your events
When you create a Google calendar event in the Samsung Calendar app, you can set up a video conference at the same time. Everyone invited to your event will receive the link to the video conference.

Add stickers to your Google calendar
Add stickers to Google calendar events in the Samsung Calendar app to make them easy to see at a glance. Stickers are shown in both calendar and agenda views.

Stay on top of reminders due today
The new Today category shows only reminders due today. You can also check reminders due today at the top of the main screen in the Reminder app.

Show and hide completed reminders
You can show or hide the completed reminders in any category. Show to see what you've already done, or hide to stay focused on things you still need to finish.

Drag and drop bookmarks between folders
Keep your Samsung Internet bookmarks organized by dragging and dropping them between folders.

More powerful search in My Files
Choose whether to search all files or only files in the current folder. You can also choose between searching only file names or searching information inside of files, such as text in documents or location information in images. When your search is complete, you can sort the results by name, date, size, or file type.

Redesigned Digital Wellbeing
The new dashboard provides clearer usage details and makes it easier to access the features you need, such as app timers and screen time reports.

Get help in an emergency
Quickly press the Side key 5 times to call emergency services even if you aren't able to talk.

Show app names in the Apps edge panel
Turn on Show app names to make app names appear below the app icons.


Some apps will need to be updated separately after the One UI 5 upgrade.

One UI 4.1.1 Update


Multitasking

Switch between apps quickly
A taskbar now appears at the bottom of the screen for quicker navigation between apps.

Quickly open apps in split screen or a pop-up window
Drag apps from the taskbar or Recents screen to open them however is most convenient for you. Drag to the top, bottom, left, or right edge of the screen to open in split screen. Drag to the center of the screen to open in a pop-up.

Open app pairs quickly
Pair apps that you often use together, then add them to the Home screen or taskbar so you can open them in split screen with just a single tap.

Easily switch from pop-up view to split screen
When you're using an app in pop-up view, just tap the split screen button inside the window handle. You'll be able to choose a second app to open alongside of it.

Change your view with a gesture
Switch from full screen to split screen view by swiping inward with two fingers from the left side, right side, or bottom of the screen. Switch from full screen to pop-up view by swiping inward with one finger from either corner at the top of the screen. Gestures can be turned on or off in Settings.

Show app names in the Apps edge panel
Turn on Show app names to make app names appear below the app icons.


New calling options

Easily see who’s calling
Set a different call background for each contact so you easily see who's calling with just a quick glance.

Video calls with Google Meet
Google Duo has been merged with Google Meet. You can now join 1:1 video calls as well as group video conferences all in one place with Google Meet.


Express yourself with Samsung Keyboard

Rearrange expression buttons
Touch and hold the emoji, sticker, and other buttons to rearrange them.

Enter kaomoji directly from the keyboard
Spice up your chats and texts with preset Japanese-style facial expressions created using keyboard symbols. (*^.^*)


More improvements

More powerful search in My Files
Choose whether to search all files or only files in the current folder. You can also choose between searching only file names or searching information inside of files, such as text in documents or location information in images. When your search is complete, you can sort the results by name, date, size, or file type.

Edit your Lock screen wallpaper collection
After selecting a group of images to use for your Lock screen wallpaper, you can easily add or remove images later.

One UI 4.1.1 Update


Multitasking

Switch between apps quickly
A taskbar now appears at the bottom of the screen for quicker navigation between apps.

Quickly open apps in split screen or a pop-up window
Drag apps from the taskbar or Recents screen to open them however is most convenient for you. Drag to the top, bottom, left, or right edge of the screen to open in split screen. Drag to the center of the screen to open in a pop-up.

Open app pairs quickly
Pair apps that you often use together, then add them to the Home screen or taskbar so you can open them in split screen with just a single tap.

Easily switch from pop-up view to split screen
When you're using an app in pop-up view, just tap the split screen button inside the window handle. You'll be able to choose a second app to open alongside of it.

Change your view with a gesture
Switch from full screen to split screen view by swiping inward with two fingers from the left side, right side, or bottom of the screen. Switch from full screen to pop-up view by swiping inward with one finger from either corner at the top of the screen. Gestures can be turned on or off in Settings.

Show app names in the Apps edge panel
Turn on Show app names to make app names appear below the app icons.


Extract and scan text

Extract text from any image or screen
Extract text using Samsung Keyboard, Internet, Gallery, or whenever you take a screenshot. Paste the result into a message, email, or document instead of typing.
Korean, English, French, Italian, German, Portuguese, Spanish, and Chinese text can be extracted.

Get suggestions based on text in images
When text appears in an image in Gallery, Camera, or other apps, actions will be recommended based on the text. For example, if you take a picture of a sign with a phone number or web address on it, you can tap to call the number or visit the site.


New calling options

Easily see who’s calling
Set a different call background for each contact so you easily see who's calling with just a quick glance.

Video calls with Google Meet
Google Duo has been merged with Google Meet. You can now join 1:1 video calls as well as group video conferences all in one place with Google Meet.


Express yourself with Samsung Keyboard

Rearrange expression buttons
Touch and hold the emoji, sticker, and other buttons to rearrange them.

Enter kaomoji directly from the keyboard
Spice up your chats and texts with preset Japanese-style facial expressions created using keyboard symbols. (*^.^*)


More improvements

More powerful search in My Files
Choose whether to search all files or only files in the current folder. You can also choose between searching only file names or searching information inside of files, such as text in documents or location information in images. When your search is complete, you can sort the results by name, date, size, or file type.

Drag and drop bookmarks between folders
Keep your Samsung Internet bookmarks organized by dragging and dropping them between folders.

Edit your Lock screen wallpaper collection
After selecting a group of images to use for your Lock screen wallpaper, you can easily add or remove images later.

· The security of your device has been improved.

· The security of your device has been improved.

· The security of your device has been improved.

• The security of your device has been improved.

• Overall stability of your device has been improved.
• The security of your device has been improved.

One UI 4.1 Update
One UI 4.1 brings you the latest features for your Galaxy devices. More intuitive, more fun, more secure, and easier than ever.
Check out the changes below.

Camera
It's easier than ever to capture great photos and videos.
Enhanced night portraits
Take stunning portraits, even in low light. Night shots are now supported in Portrait mode.

Gallery
Do more with your memories. Gallery brings enhanced features for remastering and organizing your pictures and videos, and sharing is now easier than ever.
Powerful remastering
Make your photos look better than ever. Sharpen blurry faces, fix distortion on TVs or computer screens, and increase brightness and resolution.
More suggestions
Get help creating artistic portraits and exciting highlight reels. Gallery will suggest the best effects for your pictures.
Add portrait effects
You can now add background blur to any picture with a person in view.
Portrait relighting
Adjust the lighting for portraits, even after you've taken them, to make sure you always get the perfect shot.
Convert unnecessary motion photos to still images
Save storage space by converting motion photos to still images. Gallery will suggest pictures where motion isn't necessary, such as documents.
Share albums as links
No need to invite people to shared albums individually anymore. Just create a link that can be shared with anyone, even if they don't have a Samsung account or Galaxy device.
All your invitations together
Easily accept invitations to shared albums, even if you miss the notifications. Invitations that you haven't responded to yet will appear at the top of your shared album list.
Create time lapse videos
Turn a picture into a vivid 24-hour time-lapse video. A button will appear for pictures of scenery including the sky, bodies of water, mountains, or cities. Your video will appear as if an entire day has passed.

AR Zone
Express yourself like never before in augmented reality. Create your own emojis, stickers, doodles, and more.
More decorations for your emoji stickers
Show your own unique style by adding GIFs from Tenor as decorations for your custom AR emoji stickers.
Add more to your AR doodles
Create 3D stickers by scanning real-world objects, then add them to your AR doodle. You can also add GIFs from Tenor and Giphy.
Background colors in mask mode
Keep the focus on your AR emoji while wearing it as a mask. Choose from a variety of colors to use as your background.

Smart Widget
Your Home screen widgets just got smarter. Just choose the widgets you want and let your Galaxy do the rest.
Group widgets together
Save space on your Home screen by combining multiple widgets into one Smart Widget. Swipe left or right to scroll through your widgets, or set them to rotate automatically to show you the most relevant information based on your activity.
Get suggestions on your Home screen
Your Smart Widget will tell you when it's time to charge your Galaxy Buds, when it's time to get ready for an event on your calendar, and more.

Google Duo
Stay in touch with high-quality video calls. One UI brings you exclusive features.
Do more during video calls
You can share another app's screen during a video call in Google Duo. Watch YouTube together, share photos, explore maps, and more.
Join video calls in presentation mode
During a video call on your phone, you can join the same call on your tablet in presentation mode. Your tablet's screen will be shared with other participants while audio and video continue on your phone.

Samsung Health
Get deeper insights into your health and enhanced exercise tracking in the latest version of Samsung Health.
Get insights about your body composition
Set targets for your weight, body fat percentage, and skeletal muscle mass. You'll get tips for reaching your goals.
Build better sleep habits
Track your sleep and get coaching based on your sleep patterns.
Enhanced exercise tracking
On your Galaxy Watch4, you can set interval training targets before you start running or cycling. You'll get a report on your phone when you're finished. Your watch can also give information about sweat loss when you run and heart rate recovery for aerobic workouts.

Smart Switch
Transfer contacts, photos, messages, and settings from an old phone or tablet to your new Galaxy. One UI 4.1 lets you transfer more than ever.
More transfer options
You’ll get 3 options when transferring content to your new Galaxy. You can choose to transfer everything, transfer just your accounts, contacts, calls, and messages, or go Custom to choose exactly what you want to transfer.

SmartThings Find
Find your phone, tablet, watch, earbuds, and more with SmartThings Find.
Get notified when you leave something behind
Make lost belongings a thing of the past. You can choose to get alerts whenever your Galaxy SmartTag is too far away to connect to your phone.
Find a lost device together
You can share the location of your devices with others. If a device gets lost, you can get help from another person to scan for it nearby.

Sharing
One UI 4.1 gives you even more ways to share with others.
Share your Wi-Fi network
Use Quick Share to share your current Wi-Fi network with someone else. The person you share with will be able to connect automatically without entering the password.
Include editing history when you share pictures and videos
When you share pictures and videos with Quick Share, you can include the complete editing history so the receiver can see what's changed or revert back to the original.
Share tips with others
Find something useful in the Tips app? Tap the Share icon to send it to a friend.

More features and improvements
Color palette
Customize your phone with unique colors based on your wallpaper. Your custom color palette now appears in more apps, including apps provided by Google.
Smart suggestions
Your Galaxy just got a lot smarter. When you start adding an event to your calendar, your device will suggest a title and time based on text messages and other activity on your phone. You'll get similar suggestions in Calendar, Reminder, Keyboard, Messages, and other apps.
Clean up shadows and reflections in Photo Editor
Shadows and reflections will be removed automatically whenever you use the Object eraser.
Add emojis to your calendar
In addition to stickers, you can now add emojis to a date on your calendar to express your feelings.
Take quick notes while you browse
Keep track of your sources with new clipping options for Samsung Notes. You can include content from Samsung Internet or Gallery when you create a note using the quick panel or the Tasks edge panel.
Choose apps for text correction in Samsung Keyboard
Choose which apps you want to get automatic text corrections in. Turn it on for writing apps to keep your spelling and grammar in check, and turn it off for texting apps where you want to be less formal.
Customize your sound balance
In Accessibility settings, you can adjust the left/right sound balance for connected devices, such as speakers or headphones, separately from the sound balance for your phone speakers. This allows you to get the perfect balance out of your headphones without affecting how your ringtone and speakers sound.
New actions for Bixby Routines
You can now create routines that change your watch face or turn on advanced settings like Protect battery.
Customize your virtual memory
Choose the size of your phone's virtual memory with RAM Plus in Device care. Go with more to boost performance or less to save storage space.
Some apps will need to be updated separately after the One UI 4.1 update.

One UI 4.1 Update
One UI 4.1 brings you the latest features for your Galaxy devices. More intuitive, more fun, more secure, and easier than ever.
Check out the changes below.

Camera
It's easier than ever to capture great photos and videos.
Enhanced night portraits
Take stunning portraits, even in low light. Night shots are now supported in Portrait mode.

Gallery
Do more with your memories. Gallery brings enhanced features for remastering and organizing your pictures and videos, and sharing is now easier than ever.
Powerful remastering
Make your photos look better than ever. Sharpen blurry faces, fix distortion on TVs or computer screens, and increase brightness and resolution.
More suggestions
Get help creating artistic portraits and exciting highlight reels. Gallery will suggest the best effects for your pictures.
Add portrait effects
You can now add background blur to any picture with a person in view.
Portrait relighting
Adjust the lighting for portraits, even after you've taken them, to make sure you always get the perfect shot.
Convert unnecessary motion photos to still images
Save storage space by converting motion photos to still images. Gallery will suggest pictures where motion isn't necessary, such as documents.
Share albums as links
No need to invite people to shared albums individually anymore. Just create a link that can be shared with anyone, even if they don't have a Samsung account or Galaxy device.
All your invitations together
Easily accept invitations to shared albums, even if you miss the notifications. Invitations that you haven't responded to yet will appear at the top of your shared album list.
Create time lapse videos
Turn a picture into a vivid 24-hour time-lapse video. A button will appear for pictures of scenery including the sky, bodies of water, mountains, or cities. Your video will appear as if an entire day has passed.

AR Zone
Express yourself like never before in augmented reality. Create your own emojis, stickers, doodles, and more.
More decorations for your emoji stickers
Show your own unique style by adding GIFs from Tenor as decorations for your custom AR emoji stickers.
Add more to your AR doodles
Create 3D stickers by scanning real-world objects, then add them to your AR doodle. You can also add GIFs from Tenor and Giphy.
Background colors in mask mode
Keep the focus on your AR emoji while wearing it as a mask. Choose from a variety of colors to use as your background.

Smart Widget
Your Home screen widgets just got smarter. Just choose the widgets you want and let your Galaxy do the rest.
Group widgets together
Save space on your Home screen by combining multiple widgets into one Smart Widget. Swipe left or right to scroll through your widgets, or set them to rotate automatically to show you the most relevant information based on your activity.
Get suggestions on your Home screen
Your Smart Widget will tell you when it's time to charge your Galaxy Buds, when it's time to get ready for an event on your calendar, and more.

Google Duo
Stay in touch with high-quality video calls. One UI brings you exclusive features.
Do more during video calls
You can share another app's screen during a video call in Google Duo. Watch YouTube together, share photos, explore maps, and more.
Join video calls in presentation mode
During a video call on your phone, you can join the same call on your tablet in presentation mode. Your tablet's screen will be shared with other participants while audio and video continue on your phone.

Samsung Health
Get deeper insights into your health and enhanced exercise tracking in the latest version of Samsung Health.
Get insights about your body composition
Set targets for your weight, body fat percentage, and skeletal muscle mass. You'll get tips for reaching your goals.
Build better sleep habits
Track your sleep and get coaching based on your sleep patterns.
Enhanced exercise tracking
On your Galaxy Watch4, you can set interval training targets before you start running or cycling. You'll get a report on your phone when you're finished. Your watch can also give information about sweat loss when you run and heart rate recovery for aerobic workouts.

Smart Switch
Transfer contacts, photos, messages, and settings from an old phone or tablet to your new Galaxy. One UI 4.1 lets you transfer more than ever.
More transfer options
You’ll get 3 options when transferring content to your new Galaxy. You can choose to transfer everything, transfer just your accounts, contacts, calls, and messages, or go Custom to choose exactly what you want to transfer.

SmartThings Find
Find your phone, tablet, watch, earbuds, and more with SmartThings Find.
Get notified when you leave something behind
Make lost belongings a thing of the past. You can choose to get alerts whenever your Galaxy SmartTag is too far away to connect to your phone.
Find a lost device together
You can share the location of your devices with others. If a device gets lost, you can get help from another person to scan for it nearby.

Sharing
One UI 4.1 gives you even more ways to share with others.
Share your Wi-Fi network
Use Quick Share to share your current Wi-Fi network with someone else. The person you share with will be able to connect automatically without entering the password.
Include editing history when you share pictures and videos
When you share pictures and videos with Quick Share, you can include the complete editing history so the receiver can see what's changed or revert back to the original.
Share tips with others
Find something useful in the Tips app? Tap the Share icon to send it to a friend.

More features and improvements
Color palette
Customize your phone with unique colors based on your wallpaper. Your custom color palette now appears in more apps, including apps provided by Google.
Smart suggestions
Your Galaxy just got a lot smarter. When you start adding an event to your calendar, your device will suggest a title and time based on text messages and other activity on your phone. You'll get similar suggestions in Calendar, Reminder, Keyboard, Messages, and other apps.
Clean up shadows and reflections in Photo Editor
Shadows and reflections will be removed automatically whenever you use the Object eraser.
Add emojis to your calendar
In addition to stickers, you can now add emojis to a date on your calendar to express your feelings.
Take quick notes while you browse
Keep track of your sources with new clipping options for Samsung Notes. You can include content from Samsung Internet or Gallery when you create a note using the quick panel or the Tasks edge panel.
Choose apps for text correction in Samsung Keyboard
Choose which apps you want to get automatic text corrections in. Turn it on for writing apps to keep your spelling and grammar in check, and turn it off for texting apps where you want to be less formal.
Customize your sound balance
In Accessibility settings, you can adjust the left/right sound balance for connected devices, such as speakers or headphones, separately from the sound balance for your phone speakers. This allows you to get the perfect balance out of your headphones without affecting how your ringtone and speakers sound.
New actions for Bixby Routines
You can now create routines that change your watch face or turn on advanced settings like Protect battery.
Customize your virtual memory
Choose the size of your phone's virtual memory with RAM Plus in Device care. Go with more to boost performance or less to save storage space.
Some apps will need to be updated separately after the One UI 4.1 update.

· Security patch update

· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.

· The security of your device has been improved.

• The security of your device has been improved.

• Improved usability of the following applications or features: Multi window, Edge panel
• Following applications or features added: Labs

· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.

One UI 3.1 Upgrade (Android 11)
One UI 3.1 is designed to help you focus on what matters. Our visual redesign has improved the places you visit the most, like the Home screen and quick panel, to reduce distractions, highlight important information, and make your experience more consistent. Performance improvements will help apps run quicker while using less battery power. And One UI 3.1 puts control in your hands with new privacy controls, one-time permissions, and enhanced Digital Wellbeing.

Scroll down for a full list of changes.

Visual design
We’ve refreshed the look and feel of One UI 3.1 in lots of ways, big and small, from new, more consistent icons to smarter organization of the quick panel and notifications. Motion is smoother and more natural than ever, with improved animations and haptic feedback for common interactions. And the interface responds to different screen sizes to provide the best experience on any device, whether it’s a phone, foldable, or tablet.

Improved performance
We optimized One UI 3.1 with enhanced dynamic memory allocation, so apps run faster and perform better. We’ve also restricted background activities to provide better performance and power usage.

Better customization
• New image categories have been added to Dynamic Lock screen, and you can select up to 5 categories at once.
• On the Lock screen, you can add a widget to check your usage time.
• Get an interactive preview when setting a wallpaper.
• Adjusting the Lock screen is easier.
• Add a call background to see a picture or video when you make or receive a call.
• In Samsung Internet, you can reorder and lock tabs.
• Bixby Routines has even more controls to help you automate your life.
• New icons and Lock screen widgets make it easier to find and control your routines.
• Use Digital Wellbeing with separate personal and work profiles.

Enhanced features
Home screen and Lock screen
• Add widgets by touching and holding an app on the Home screen.
• Turn off the screen by double tapping on an empty space on the Home or Lock screen. (Set it up in Settings > Advanced features > Motions and gestures.)
• On the Lock screen, tap the clock area to see widgets like calendar, weather, and music.

Calls and chats
• See conversations separately in the notification panel. Works with Messages and your favorite chat apps.
• Easily remove duplicate contacts stored in the same account in Contacts. The storage period for deleted contacts has been extended from 15 days to 30 days.
• Added the ability to edit multiple linked contacts from a single screen.
• Added Trash in Messages so that recently deleted messages are stored for 30 days.

Pictures and videos
• Take pictures quicker with improved auto focus and auto exposure.
• View, edit, and share pictures and videos more easily from Gallery.
• Find pictures and videos quicker with new search features and categories in Gallery.
• Revert edited pictures to their original versions at any time, even after they’re saved, so you never lose a shot.

Settings
• Settings has a new simpler look and feel. Your Samsung account is shown at the top, and Home screen settings are now easier to access.
• Find the settings you need more easily with new Search features. You’ll get better results for synonyms and common misspellings, and you can tap on tags to see groups of related settings.
• Quick settings buttons have been reduced to provide only the most commonly used features. You can also add buttons to create your own customized quick panel.

Samsung Keyboard
• Increased the number of input languages to 370.
• Made it easier to paste copied images and verification codes from text messages.
• Added emoji and sticker suggestions when you enter a text-based emoticon.
• Reorganized Keyboard settings so it's easier to access frequently used settings.

Productivity
Maintain a healthy balance between work and life by minimizing repetitive and complicated tasks and handling them efficiently.
• New routines will be recommended based on your daily life and usage patterns.
• Bixby Routines provide a setting to return everything to the way it was before the routine ran.
• In Internet, you can hide the status and navigation bars for a more immersive experience and quickly translate webpages.
• You’ll be prompted to block websites that send too many pop-ups or notifications.
• You can browse and select cloud drive files from the file selection screen in My Files.
• You can now delete cache files in My Files to easily free up storage space.
• Events with the same start time are displayed together in the month and list views in Calendar.
• Use your phone or tablet app icon layout in Samsung DeX so you know where everything is.

Easy media and device control
Media and device control is easier with the improved media panel in notifications. You can see recently used media apps and quickly change the playback device. You can also check Android Auto settings in the Advanced features menu in Settings.

Identify and improve your digital habits
Improved Digital Wellbeing features make it easy to check how you're using your phone or tablet and help you form good digital habits. Check your usage while driving or see weekly changes in your screen time by function at a glance through upgraded weekly reports.

Accessibility for everyone
One UI 3.1 recommends useful accessibility features for you based on your usage. The improved Accessibility shortcut makes accessibility features easier to start and use. You can use the Speak keyboard input aloud feature to get voice feedback of your typing even when TalkBack is turned off.

Stronger privacy protection
You can now let an app access to your microphone, camera, or location just one time. Any permissions that an app hasn’t used in a while will be automatically revoked. You can no longer give apps permission to always see your location in the regular permission popup. To let apps access your location when they’re not in use, you need to go to the location permission page for the app in Settings.

Calendar
• Extract the date and address from the event title and recommend automatic registration.
• Receive notifications from SmartThings devices that also have specified schedule notifications.
Camera
• The performance of Camera has been improved
Buds Auto Switching
• Support Buds auto switching between Galaxy phone and tablet.
Reminder
• Extract the date and address from the reminder memo and recommend to register automatically, and remind important information by situation.
Share Sheet
• It is now possible to protect your privacy by deleting the location information of previously taken photos before sharing or posting them on social media.
Social Platform
• Synchronize valid links created on devices with the same registered Samsung account.
• The use of social media services has been simplified. It is possible to share profiles, photos, notes, schedules, and more with friends simply by logging in to your Samsung account.
Additional improvements
• In Clock, you can hear the time and preset name of the alarm read aloud when an alarm rings.

Some apps will need to be updated separately after the One UI 3.1 update.

You can no longer use Wi-Fi Direct to send files to other devices. You can use Nearby Share instead. You can still receive files using Wi-Fi Direct.

You can no longer connect to Chromecast using Smart View. You can use Google Home instead.

Model codes:

SM-T577U/DSSM-T577UZKDXAC

We recommend using Samsung’s own utilities, Samsung Smart Switch and OTA (Over-the-air), to upgrade devices. Use our site only if you are 100% sure about the risks involved in flashing your device model: SM-T577U. We is not responsible for any damage caused by using the files on this website.
The Firmwares provided here are all official Samsung's Android Firmwares and has NOT been modified by anyway as we get them directly from KIES servers.
We live-monitor all firmware updates for every Samsung device, in over 500 regions.
Beware, Manually flashing firmwares may brick your device, use it at your own risk and follow our tutorial steps.

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