Samsung Galaxy A25 5G A256USQUCEZE6

Samsung Galaxy A25 5G A256USQUCEZE6 Firmware

Samsung Galaxy A25 5G A256USQUCEZE6 is an Android 16 firmware for 4 countries, 5 CSC codes. It is the same firmware configured per region and carrier (CSC). Find your country below, verify the file and download for free. Compared with the previous build A256USQSCDZD7 https://samfirm.shop/build/A256USQSCDZD7: security patch 2026-05-05 instead of 2026-04-05. A newer build for SM-A256U is available: A256USQSEEZH9 https://samfirm.shop/build/A256USQSEEZH9.

OS updates guaranteed until: Android 18. Security updates until: Jan 31, 2029
Download firmware
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Android 16
OS Version
2026-05-15
First release
other regions until 2026-06-04
2026-05-05
Security patch
4
Countries
5
CSC codes
C (12)
Bootloader binary

Bootloader binary C (12). Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy A25 5G use bootloader binary E (14) (latest: A256USQSEEZH9 https://samfirm.shop/build/A256USQSEEZH9). If your device already runs binary E (14), this build cannot be flashed.

All regional downloads

Pick your region (CSC) to download the matching firmware package.

Paste your current build number from Settings > About phone (About tablet) > Software information, or the output of *#1234#.
    MODEM/CP Version: A256USQUCEZE6
    ModelRegionCSC VersionBuild DateRelease dateSizeFile nameDownload
    SM-A256U
    CCT United States
    A256UOYNCEZE6 2026-06-04 2026-06-04 7.267 GiB
    SM-A256U_3_20260604143520_7oeb8cjg4x_fac.zip
    Download
    SM-A256U
    DSA
    A256UOYNCEZE6 2026-06-04 2026-06-05 7.267 GiB
    SM-A256U_3_20260604134141_jlnkex1wop_fac.zip
    Download
    SM-A256U
    DSG
    A256UOYNCEZE6 2026-06-04 2026-06-05 7.267 GiB
    SM-A256U_3_20260604141121_lvu1tcq6v3_fac.zip
    Download
    SM-A256U
    DSH
    A256UOYNCEZE6 2026-06-04 2026-06-05 7.267 GiB
    SM-A256U_3_20260604142231_70zdpj3gxj_fac.zip
    Download
    SM-A256U
    USC United States
    A256UOYNCEZE6 2026-05-15 2026-06-11 7.265 GiB
    SM-A256U_3_20260515162911_wr1fcpvydi_fac.zip
    Download

    No matching downloads

    How to flash A256USQUCEZE6

    • A256USQUCEZE6 has bootloader binary C (12). Your device must run binary C (12) or lower: it is the 5th character from the end of your current build number.
    • CSC: Use CSC for a clean install, to change the region (CSC code), to downgrade or to repair a device that does not boot.
    • HOME_CSC: Use HOME_CSC to update the same model and region while keeping your data. Back up anyway: a failed update can still require a reset.
    • The Download Mode key combo depends on the model: see all combos.
    Full flashing guide
    Beware: Manually flashing firmwares may brick your device. Use it at your own risk and follow our tutorial steps.

    What's new in A256USQUCEZE6

    One UI 8.5
    Visual design

    Fresh new look
    One UI seamlessly integrates into your daily routine by combining immersive visuals with meaningful personalization for a more refined and sophisticated design. Transparent blur effects add depth and make content easier to navigate, while floating elements react organically to your workflow for a more focused experience. Through familiar and intuitive data visualization, One UI delivers a design that feels both personal and relatable, helping you focus on what matters.

    Camera

    New filters
    Three new filters are available to add vibrant film-like effects to your pictures.

    Home and Lock screens

    Automatic Lock screen layout
    Wallpapers with pictures of people or pets now fit perfectly every time. When you choose a photo for your Lock screen, the photo will automatically be adjusted to best fit your clock and widget layout.

    New downloadable wallpapers
    Discover new wallpapers featuring interactive elements. Wallpapers are downloadable so they don’t use up your storage space when not in use.

    More customizable clock fonts
    Personalize your Lock screen clock. You can now adjust the thickness of more font styles to match your preferred look.

    Weather

    Enhanced weather widget
    Quickly check upcoming precipitation in the Weather widget on your Home screen. The widget now shows a graph if precipitation is expected in the next few hours.

    Pollen index
    Check how much pollen is in the air to help manage your allergies. You can check pollen levels for trees, grass, and ragweed.

    Communication

    Direct voicemail
    Can't answer right now? Let callers record a voice message directly on your phone that you can listen to later.

    Clock

    Weather alarm backgrounds
    Wake up to an alarm that gets you ready for the day’s weather. Your alarm screen can now show the current weather conditions as a background when it rings.

    Time zone converter
    Compare time zones at a glance. The new slider in the Clock app makes it easy to check the time difference between places around the world.

    Connectivity

    Auto Hotspot
    Share your phone's internet connection more easily. You can now share your hotspot with your Samsung account family group, or create your own hotspot sharing group with anyone you choose.

    Quickly connect to Smart View devices
    Connect to your favorite display faster. You can now add a shortcut on your Home screen to instantly mirror your phone’s screen to a TV or other display device.

    Quick Share

    Avoid unwanted sharing requests
    You can now set Quick Share to only receive files from other devices signed in to your Samsung account or Google account.

    Samsung Health

    Enhanced weekly reports
    See a fuller picture of your health each week. Weekly reports now include data from your medication tracker and mindfulness sessions.

    Upgraded sharing experience
    Share your workouts your way. Mix and match your exercise stats with photos from your workout to create the perfect social media post.

    Start meditations from your watch
    Find calm right from your wrist. You can now start favorite or recommended meditations directly on your Galaxy Watch without picking up your phone.

    Antioxidant measurements from your watch
    Check your antioxidant levels anytime. Measure directly from your Galaxy Watch, even if it’s not connected to your phone. Works with Galaxy Watch8 and Galaxy Watch Ultra.

    Battery and power

    Revamped battery info
    See your battery use more clearly. The redesigned Battery settings screen makes it easier to check remaining time, charging status, and daily usage over the past week.

    Improved Power saving
    Use Power saving to make your battery last longer without charging. Choose Standard for moderate savings and customizable limits, or choose Maximum to turn off all non-essential features and make your battery last as long as possible.

    Security and privacy

    Theft protection
    Keep your phone and data safe in case it is lost or stolen. Turn on Failed authentication lock to automatically lock the screen in case there are too many failed attempts to verify your identity using your fingerprints, PIN, pattern, or password. Identity check also protects even more settings than before.

    Turn off Auto blocker temporarily
    If you need to temporarily disable Auto blocker's security protection, a new option lets you turn it on automatically 30 minutes later so you don't forget.

    Check the security status of your devices
    Keep all your devices protected. Knox Matrix now shows when any of the supported devices signed in to your Samsung account need a software update for the latest security protections.

    Accessibility

    Easily control Bluetooth hearing aids
    Access settings for your Bluetooth hearing aids directly from the Accessibility shortcut. A pop-up will appear that lets you change your hearing program, turn Ambient sound on or off, and more.

    Control magnification with mouse or keyboard
    Keep what you need magnified in view with these new options. You can make the magnified area follow the cursor as you type or move when you change focus using the keyboard. When using a mouse, you can make the magnified area shift as you move the pointer to the edge of the screen.

    Dwell action and Corner actions
    The Auto action after pointer stops feature has been divided into 2 features. Dwell action lets you set custom actions when your mouse stops moving for a certain amount of time. Corner actions let you set a different action for each corner of the screen.

    Even more improvements

    More customizable quick panel
    Arrange your quick settings just the way you like them. You can now add, remove, reorder, and reorganize controls in the quick panel.

    Early alerts for reminders
    Get alerts before reminders are due to make sure you don’t forget important tasks. You can choose how far in advance to get an alert for each reminder.

    Insert tables in Samsung Notes
    Organize information in your notes with tables. You can adjust column widths, colors, and border designs while the auto calculation feature helps you stay productive and save time.

    Redesigned New tab page
    The page that appears when you open a new tab in Samsung Browser has been redesigned to help you quickly access the websites and features you need the most. The New tab page now shows the current security status as well as open tabs from Samsung Browser on other devices.

    Partial screen recording
    Include only what you need in your screen recordings. You can now select only the part of the screen that you want to record.

    Calculator nudges
    Save time on calculations. Numbers and formulas copied to your clipboard will be suggested when you open Calculator so you can enter them with a quick tap.

    Security patch: May 2026

    SMR May-2026 fixes 36 vulnerabilities, 2 of them critical. Android Security Bulletin: 29, Samsung-specific issues (SVE): 7.

    Most severe Samsung fixes:

    • high Improper input validation in FacAtFunction in Galaxy Watch prior to SMR May-2026 Release 1 allows local attacker to execute arbitrary code with system privilege. (CVE-2026-21019)

    All fixes and Galaxy models with this patch

    Rollout of A256USQUCEZE6 by region

    First release
    June 4, 2026
    Last region
    June 11, 2026
    Duration
    8 days
    Regions
    5
    1. Day 1 · · 1 region
      United StatesCCT
    2. Day 2 · · 3 regions
      DSADSGDSH
    3. Day 8 · · 1 region
      United StatesUSC

    Device specifications

    • Display diagonal16.5 cm (6.5")
    • Display resolution1080 x 2340 pixels
    • RAM6 GB
    • Rear camera resolution50 MP
    • Rear camera typeTriple camera
    • Battery capacity5000 mAh
    • Weight197 g

    Specifications of SM-A256B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    Frequently Asked Questions

    A256USQUCEZE6 is Android 16 firmware for Samsung Galaxy A25 5G, released for 4 countries, 5 CSC codes. It includes the 2026-05-05 security patch. Samsung built it on 2026-05-15.

    SMR May-2026 fixes 36 vulnerabilities, 2 of them critical. Android Security Bulletin: 29, Samsung-specific issues (SVE): 7.

    No. A newer build for SM-A256U is available: A256USQSEEZH9. Install it instead of A256USQUCEZE6 unless you need this exact version. The previous build was A256USQSCDZD7.

    Download the package for your region (CSC) and unzip it. In Odin, load each file into the slot with the same name: BL, AP, CP (if the package has one) and CSC, or HOME_CSC to keep your data. Odin checks the built-in checksum of every .tar.md5 file before flashing. The Samsung Galaxy A25 5G must be on bootloader binary C (12) or lower.

    This build uses bootloader binary C (12). It can be flashed on a Samsung Galaxy A25 5G running binary C (12) or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 1 other build of this model uses the same binary, so you can switch between them in both directions.

    Other builds and changelog for Samsung Galaxy A25 5G

    https://samfirm.shop/build/A256USQSEEZH9

    • Security
    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    One UI 8.5
    Visual design

    Fresh new look
    One UI seamlessly integrates into your daily routine by combining immersive visuals with meaningful personalization for a more refined and sophisticated design. Transparent blur effects add depth and make content easier to navigate, while floating elements react organically to your workflow for a more focused experience. Through familiar and intuitive data visualization, One UI delivers a design that feels both personal and relatable, helping you focus...

    https://samfirm.shop/build/A256USQSCDZD7

    • Security
    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

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

    • Security
    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    Show 13 older builds
    One UI 8.0 (Android 16)
    Personalization

    Beautiful new wallpapers
    More choices are available to help you find the wallpaper that's right for you. New additions include interactive and dynamic wallpapers like color gradients that change over time.

    Productivity

    Check stock prices without unlocking
    Stocks you follow on Google Finance with big price changes will appear on your Now bar at the end of the trading day.

    Easier file sharing with Quick Share
    It's never been easier to send and recei...

    • Security
    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    One UI 7.0 Upgrade (Android 15)
    Bold new look

    Visual enhancements
    Enjoy a more sophisticated and unique look. One UI 7 introduces a stunning redesign to key components including buttons, menus, notifications and control bars, providing a more consistent visual experience with curves and circles. Beautiful new colors, soft animations, and an innovative blur effect that's unique to One UI make information hierarchy clearer and help you focus on important information.

    Reimagined Home screen
    Fr...

    • The security of your device has been improved.

    https://samfirm.shop/build/A256USQS7BYD1

    • Security
    The device is protected with improved security.

    https://samfirm.shop/build/A256USQU6BXK8

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

    • The security of your device has been improved.

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

    • The security of your device has been improved.

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