Samsung firmwares, SM-A426B (BTU) | EN

• Security
The device is protected with improved security.

• Security
The device is protected with improved security.

• Stability and reliability
Device behavior has been improved.
• Security
The device is protected with improved security.

• 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.

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.
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.

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.
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.

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.

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.
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.
More widely available keyboard options
Keyboard layouts, input methods, and features for specific languages are now available in more regions, so you can type easily no matter where you are. You can always switch back to your previous layout in Settings.
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.
Game optimizing service
CPU/GPU performance during early stages of gameplay will not be limited. (A performance management feature based on device temperature will be maintained.) The “Alternate game performance management mode” in Game Booster will be provided. 3rd party apps to bypass the Game Optimizing Service will be allowed.
Some apps will need to be updated separately after the One UI 4.1 update.

• The security of your device has been improved.

One UI 4 Upgrade (Android 12)

One UI 4 brings you a wide array of new features and enhancements for your Galaxy devices. More intuitive, more fun, more secure, and easier than ever.

Check out the changes below.


Color palette

Customize your phone with unique colors based on your wallpaper. Your colors will be applied to menus, buttons, backgrounds, and apps throughout your phone.


Privacy

One UI 4 offers strong privacy protection to make sure your personal information doesn’t fall into the wrong hands.

Permission info at a glance
See when each app accesses sensitive permissions such as Location, Camera, or Microphone in Permission usage. You can deny permissions for any apps you don’t feel comfortable with.

Camera and microphone indicators
Keep prying eyes and ears away. A green dot will appear in the upper right corner of the screen when any app is using the camera or microphone. You can also use quick panel controls to temporarily block all apps from using the camera or microphone.

Approximate location
Keep your exact location private. You can set apps that don't need to know exactly where you are to only have access your general area.

Clipboard protection
Keep your passwords, credit card numbers, and other sensitive information safe. You can choose to receive an alert whenever an app accesses content copied to the clipboard in another app.


Samsung Keyboard

More than just typing, Samsung Keyboard is all about expressing yourself and having fun.

Quick access to GIFs, emojis, and stickers
Self-expression is a tap away. Get to your emojis, GIFs, and stickers directly from the keyboard with a single button.

Animated emoji pairs
Can’t find the right emoji? Combine two emojis together, then add an animation to really get your feelings across.

Even more stickers
Spice up your conversations with a variety of new animated stickers available to download.

Writing assistant
Keep your grammar and spelling on point with the new Writing assistant, powered by Grammarly (English only).


Home screen

It all starts on the Home screen, where your favorite apps and features are just a tap away. One UI 4 helps you keep your home screen looking its best all the time.

New widget design
Widgets have been redesigned to look better than ever, with info that’s easy to see at a glance and a more consistent style.

Easier widget selection
Having trouble finding the right widget? You can now quickly scroll through the widget list to see what’s available from each app. You’ll also get recommendations for useful widgets to try out.


Lock screen

Use widgets to handle quick tasks without unlocking your phone, whether it’s controlling your music, checking your schedule, or capturing your best ideas.

Listen where you want
Switch audio output from buds to speakers to your phone, all from the Lock screen.

Voice recording
Got a great idea? Record a voice memo without unlocking your phone.

Calendar and schedule at once
Check today’s schedule along with your calendar for the rest of the month on the Lock screen.


Camera

Enjoy a simpler layout while you take pictures and videos. The scene optimizer button only appears in Photo mode if there’s low light or you’re scanning a document. Portrait and Night mode settings are now tucked away and more intuitive.

Lens and zoom
Lens icons show the magnification level, so you know how much you’re zoomed in.

Video that never misses a moment
Recording starts immediately after you tap the Record button, instead of when you release it, so that you catch those precious moments before they’re gone. In Photo mode, you can touch and hold the Shutter button to start recording a quick video, then drag your finger to the Lock icon to continue recording without holding down the Shutter.

Pro photography
Stay in control with the redesigned Pro and Pro video mode settings. The cleaner look helps you focus on the shot, and the new level indicators added to the grid lines help you keep shots balanced.

Enhanced scanning
Scan documents, then tap the magnifying glass to zoom in and edit them immediately. You can also do more after scanning QR codes, like calling or emailing someone instead of just adding their contact info to your phone.


Gallery

Whether you’ve got thousands of pictures and videos or just a few treasured moments, Gallery makes it easier to find what you need and keep your collection organized.

Enhanced stories
See your stories come to life with highlight videos that are created automatically. Just tap the preview at the top of each story to watch. You can also explore where the pictures in your stories were taken in the new Map view.

Easier albums
Sort through albums more easily—even if they’ve got tons of pictures. In fact, you can sort albums by how many pictures and videos they contain so that your favorite and most used albums are always at the top of the list. A cover image also appears at the top of the screen when you view an album to give you a better feel for what the album contains.

Worry-free remastering
Revert remastered pictures to their original versions at any time, even after they’re saved, so you never have to worry about losing the original.

More control over information
Change or remove the date, time, and location of your pictures to correct it or keep it private. You can also select several pictures and edit their information at once.


Photo and video editor

Sometimes your photos and videos need a few tweaks. One UI’s Photo and Video editors are there to make your pictures look their best before you share them.

Emojis and stickers
Use an emoji to cover the face of a shy friend or add stickers to create fun pictures and videos.

Video collages
Make moving collages that include pictures, videos, or a combination of both. Pick out the perfect moments and create your masterpiece.

Never lose the original
Get bold with your editing! You can now revert both pictures and videos back to their original versions after they’re saved, or save them as copies to keep both the original and edited versions.

Paste from one picture to another
Experiment with mixing and matching faces, pets, buildings, and more. You can cut any object out of one picture and paste it into a different one.


AR Emoji

Use your own personal emojis to spice up your messages, make fun videos, and more. You can create a digital version of yourself, or try a different look. The possibilities are endless.

Jazz up your profile
Use an AR emoji as your profile picture in Contacts and Samsung account. You can choose from over 10 poses or create your own expressions.

Face stickers
Pretend to be your emoji with new stickers of your emoji’s face. Have fun decorating your photos and sharing them with your friends.

Dance the night away
Make cool dance videos with your AR emojis. Choose templates from 10 different categories including #Fun, #Cute, and #Party.

Design your own clothes
Ever wanted to be a fashion designer? You can now use your own drawings to create unique clothes for your AR emojis.


Sharing

One UI helps you stay connected and share your experiences with others. Just tap the Share button in any app.

More customization
Make sharing your own. You can customize the list of apps that appear when you share content to keep the clutter away and focus only on the apps you use regularly.

Easier navigation
New layout and better navigation makes sharing a breeze. Swipe left or right to scroll through apps and contacts when you’re sharing.

Photo sharing
When you share a picture that doesn’t look quite right, whether it’s out of focus or not framed well, we’ll let you know and give you suggestions for fixing it.


Calendar

One UI 4 makes it even easier to keep your busy life organized.

Check your schedule on the Home screen
A new widget shows your schedule for the day along with a full calendar for the month.

Quick add events
Need to add something to your calendar in a hurry? Just enter a title and you’re done.

More search options
You’ve got more ways than ever to find your calendar events. Choose from recent search keywords or filter by color or sticker.

Share with others
Sometimes you need to keep others in the loop. It’s now easier to share your calendars with other Galaxy users.

Easier date and time selection
Setting event details is a breeze with separate date and time options.

Recover deleted events
Events you delete will stay in the Trash for 30 days so you can get them back if you need them.


Samsung Internet

One UI’s fast and secure web browser now makes it even easier to find the webpages you’re looking for and protect your privacy.

Search suggestions
Get more search suggestions when you enter text in the address bar. Results will appear with an all new design.

Search from the Home screen
The new search widget helps you find what you’re looking for, right from the Home screen.

Start in Secret mode
To protect your privacy, Samsung Internet will automatically start in Secret mode if you were using Secret mode during your last browsing session.


Device Care

See your phone’s performance, security, and battery life at a glance, solve problems quickly, and get deep diagnostics for more complex issues.

Battery and security at a glance
Battery and security issues will appear right on the main screen so you can solve problems more quickly.

Understand your phone’s overall status
Your phone’s overall status is shown as an emoji, so you can understand instantly.

Diagnostic checks
Now you can get right to Samsung Members diagnostics from Device Care. If something seems wrong with your phone, try the diagnostic tests to find out what the problem is and get suggestions for solving it.


Samsung Health

Manage all your health data in one place and start building habits for a better tomorrow. Track your exercise, sleep, food intake, and more. One UI 4 makes it easier than ever.

All new design
Your important data is just a tap away. Everything you need is in easy reach as four tabs at the bottom of the screen.

My page
Get a summary of your health stats, achievements, personal bests, and progress on the My page tab.

Challenge your friends
Starting a Together challenge is easier than ever. Invite friends by sending a link.

More inclusive
Gender options are more inclusive. You can now choose Other or Prefer not to say.

More food options
Recording your food intake is easier with more snacks added to the food tracker.


Accessibility

One UI is designed for everyone. In One UI 4, you’ll get even more options to help you use your phone in the way that’s most comfortable for you.

Always there when you need it
Access accessibility features more quickly with a floating button that’s always available.

Mouse gestures
Perform actions more quickly by moving your mouse pointer to one of the 4 corners of the screen.

Adjust your screen at once
Adjust contrast and size at the same time with custom Display mode (High contrast or Large display).

Eye comfort
More visibility options are available to meet your needs. You can reduce transparency or blur.

Extra dim screen
If your screen is too bright, even at the lowest brightness setting, turn on Extra dim for more comfortable reading in the dark.

Customizable flash notifications
Make the screen flash when you receive a notification. You customize colors for each app so you can easily determine where a notification is coming from.

Easier magnification
Magnifier window has been merged with the new Magnification menu, giving you more options and more control for magnifying content on the screen.


More features and improvements

Enhanced Dark mode
To keep you comfortable in the dark, Dark mode now automatically dims wallpapers and icons. Illustrations in Samsung apps now have Dark mode versions with darker colors for a more consistent experience that’s easier on your eyes.

Charging info at a glance
When you start charging, different visual effects let you know your charging speed more intuitively.

Easier brightness control
A bigger brightness bar in the quick panel makes it easier to change screen brightness with a swipe.

Safety and emergency menu
The new Safety and emergency menu in Settings lets you manage your emergency contacts and safety information all in one place.

Settings search enhancements
Improved search features help you find the settings you need, when you need them. You’ll get suggestions for related features depending on what you search for.

Keep your eyes on the road
The new Driving monitor in Digital Wellbeing keeps track of when you use your phone while driving. You’ll get reports on how much you used your phone and which apps you used.

Skip an alarm just once
Feel like sleeping in? You can now turn off an alarm just for one occurrence. It will turn back on automatically after it’s skipped.

Day or night at a glance
Have a friend on the other side of the world? It’s easier to see if it’s a good time to contact them. The dual clock widget now shows different background colors for each city depending on whether it’s day or night.

Switch from texts to calls
Texting not cutting it? Tap the person’s name at the top of the conversation to see their details or start a voice or video call.

More search results in Messages
Now you can search your messages for photos, videos, web links, and more. The results are all filtered so you can jump right to what you’re looking for.

Easier search in My Files
Find the file you’re looking for, even if there’s a typo or the name doesn’t match exactly. The Recent files area has also been expanded to help you quickly locate files you’ve used or received recently.

Enhanced Edge panels
Keep your current app in view while using edge panels. Blurring has been removed to help you see more at once.

Resizable picture-in-picture
If a floating video is getting in the way, pinch your fingers together to make it smaller. Want to see more? Spread your fingers apart to make it bigger.

Quick access to pop-up window options
For easier multitasking, you can pin the window options menu to the top of the window to make it easier to access.


Some apps will need to be updated separately after the One UI 4 upgrade.

• The security of your device has been improved.

• Following applications or features added: RAM Plus
• The security of your device has been improved.

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

• The security of your device has been improved.

• Enhanced Quick Share
- Improve file sharing between Galaxy devices using Quick Share.
• The security of your device has been improved.

• The security of your device has been improved.

One UI 3 Upgrade (Android 11)

One UI 3 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 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 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 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.

• 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.

• 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.

• Improved the keyboard layout to provide a larger space bar when entering web and email addresses.

• 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.

• 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.



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 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

• Camera function such as image quality improvement when zoomed in low light have been improved.

Display

• Eye comfort shield function has been added.

• The color temperature of the screen automatically adjusts for the time of day.

Multi window

• By dragging pop-up view screen to the edge of the screen, it is now possible to hide the window and keep playing.

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.

Photo Editor

• Object eraser feature has been added to Labs in Photo Editor.

• Using Erase Objects allows you to erase an object which you want in the photo.

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 update.



App copies made using Dual messenger can no longer access SD card files directly. To share SD card files in an app copy, select the files in Gallery or My Files, tap Share, then select the app copy.



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.

• Camera picture quality has been improved.
• The stability of Touch screen has been improved.
• The security of your device has been improved.

• Camera picture quality has been improved.
• The security of your device has been improved.

• The stability of Camera has been improved.
• Camera picture quality has been improved.
• The stability of Touch screen has been improved.