Samsung Galaxy A25 5G A256USQSBDZB2
SM-A256U 4 countries Android 16

Samsung Galaxy A25 5G A256USQSBDZB2 Firmware

Samsung Galaxy A25 5G A256USQSBDZB2 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 A256USQSADZA2: bootloader binary raised from A (10) to B (11), so after installing it there is no way back to older builds; security patch 2026-02-05 instead of 2026-01-01. A newer build for SM-A256U is available: A256USQSEEZH9.

OS updates guaranteed until: Android 18Security updates until: Jan 29, 2029
Download firmware
8.9/10 (132)4,547 times
Android 16
OS Version
2026-03-12
First release
other regions until 2026-03-13
2026-02-05
Security patch
4
Countries
5
CSC codes
B (11)
Bootloader binary

Bootloader binary B (11). 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). 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: A256USQSBDZB2
    ModelRegionCSC VersionBuild DateRelease dateSizeFile nameDownload
    SM-A256U
    CCT United States
    		A256UOYNBDZB2 2026-03-13 2026-03-16 7.172 GiB
    SM-A256U_3_20260216190021_54tj0x8opr_fac.zip
    SM-A256U
    DSA
    		A256UOYNBDZB2 2026-03-12 2026-03-13 7.175 GiB
    SM-A256U_3_20260216192320_0419hspfo9_fac.zip
    SM-A256U
    DSG
    		A256UOYNBDZB2 2026-03-12 2026-03-13 7.175 GiB
    SM-A256U_3_20260216193850_hfy1yv6bsx_fac.zip
    SM-A256U
    DSH
    		A256UOYNBDZB2 2026-03-12 2026-03-13 7.175 GiB
    SM-A256U_3_20260216195831_se91aixrsx_fac.zip
    SM-A256U
    USC United States
    		A256UOYNBDZB2 2026-03-13 2026-03-19 7.173 GiB
    SM-A256U_3_20260216182230_wuoi9wec2p_fac.zip

    No matching downloads

    How to flash A256USQSBDZB2

    • A256USQSBDZB2 has bootloader binary B (11). Your device must run binary B (11) 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 A256USQSBDZB2

    • Security
    The device is protected with improved security.

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

    Security patch: February 2026

    SMR Feb-2026 fixes 32 vulnerabilities, 0 of them critical. Android Security Bulletin: 25, Samsung-specific issues (SVE): 7.

    Most severe Samsung fixes:

    • high Improper access control in Emergency Sharing prior to SMR Feb-2026 Release 1 allows local attackers to interrupt its functioning. (CVE-2026-20977)
    • high Improper export of android application components in Samsung Dialer prior to SMR Feb-2026 Release 1 allows local attackers to launch arbitrary activity with Samsung Dialer privilege. (CVE-2026-20983)
    • high Improper authorization in KnoxGuardManager prior to SMR Feb-2026 Release 1 allows local attackers to bypass the persistence configuration of the application. (CVE-2026-20978)

    All fixes and Galaxy models with this patch

    Rollout of A256USQSBDZB2 by region

    First release
    March 13, 2026
    Last region
    March 19, 2026
    Duration
    7 days
    Regions
    5
    1. Day 1 · · 3 regions
      DSADSGDSH
    2. Day 4 · · 1 region
      United StatesCCT
    3. Day 7 · · 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

    A256USQSBDZB2 is Android 16 firmware for Samsung Galaxy A25 5G, released for 4 countries, 5 CSC codes. It includes the 2026-02-05 security patch. Samsung built it on 2026-03-12.

    SMR Feb-2026 fixes 32 vulnerabilities, 0 of them critical. Android Security Bulletin: 25, Samsung-specific issues (SVE): 7.

    No. A newer build for SM-A256U is available: A256USQSEEZH9. Install it instead of A256USQSBDZB2 unless you need this exact version. The previous build was A256USQSADZA2.

    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 B (11) or lower.

    This build uses bootloader binary B (11). It can be flashed on a Samsung Galaxy A25 5G running binary B (11) or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". No other build of this model uses binary B (11).

    Other builds and changelog for Samsung Galaxy A25 5G

    • 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...

    • 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.

    • 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.

    · 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.

    Model firmware by region