Samsung Galaxy A55 5G A556EXXU8BYF3
SM-A556E 8 countries Android 15

Samsung Galaxy A55 5G A556EXXU8BYF3 Firmware

Samsung Galaxy A55 5G A556EXXU8BYF3 is an Android 15 firmware for 8 countries, 15 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 A556EXXS8BYE1, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-A556E is available: A556EXXUIEZJ1.

OS updates guaranteed until: Android 18Security updates until: Mar 30, 2029
Download firmware
8.7/10 (271)23,811 times
Android 15
OS Version
2025-06-16
First release
other regions until 2025-07-01
2025-06-01
Security patch
8
Countries
15
CSC codes
8
Bootloader binary

Bootloader binary 8. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy A55 5G use bootloader binary I (18) (latest: A556EXXUIEZJ1). If your device already runs binary I (18), 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: A556EXXU8BYF3
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-A556E
    GLB, XTC Philippines
    MM1, SIN, STH, XSP Singapore
    MYM Myanmar (Burma)
    OPS, TEL, VAU, XSA Australia
    +4 more countries
    THL Thailand
    XME Malaysia
    XNZ New Zealand
    XXV Vietnam
    		A556EOLM8BYF3 2025-06-16 8.469 GiB
    SM-A556E_2_20250609221441_2rdw78nrlm_fac.zip
    		Download

    No matching downloads

    How to flash A556EXXU8BYF3

    • A556EXXU8BYF3 has bootloader binary 8. Your device must run binary 8 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 A556EXXU8BYF3

    • The usability of device operations has been improved.
    • Security
    The device is protected with improved security.

    Security patch: June 2025

    SMR Jun-2025 fixes 55 vulnerabilities, 0 of them critical. Android Security Bulletin: 36, Samsung Semiconductor: 10, Samsung-specific issues (SVE): 9.

    Most severe Samsung fixes:

    • high Improper access control in fingerprint trustlet (CVE-2025-20987)
    • high Improper logging in fingerprint trustlet (CVE-2025-20989)

    All fixes and Galaxy models with this patch

    Rollout of A556EXXU8BYF3 by region

    First release
    June 16, 2025
    Last region
    July 1, 2025
    Duration
    16 days
    Regions
    15
    1. Day 1 · · 5 regions
      MalaysiaXMEPhilippinesGLBXTCThailandTHLVietnamXXV
    2. Day 8 · · 9 regions
      AustraliaOPSTELVAUXSAMyanmar (Burma)MYMSingaporeMM1SINSTHXSP
    3. Day 16 · · 1 region
      New ZealandXNZ

    Device specifications

    • Launched withAndroid 14
    • Display diagonal16.8 cm (6.6")
    • Display resolution1080 x 2340 pixels
    • Processor frequency2 GHz
    • RAM8 GB
    • Rear camera resolution50 MP
    • Rear camera typeTriple camera
    • SIM cardsHybrid dual SIM
    • Battery capacity5000 mAh
    • Weight213 g

    Frequently Asked Questions

    A556EXXU8BYF3 is Android 15 firmware for Samsung Galaxy A55 5G, released for 8 countries, 15 CSC codes. It includes the 2025-06-01 security patch. Samsung built it on 2025-06-16.

    SMR Jun-2025 fixes 55 vulnerabilities, 0 of them critical. Android Security Bulletin: 36, Samsung Semiconductor: 10, Samsung-specific issues (SVE): 9.

    No. A newer build for SM-A556E is available: A556EXXUIEZJ1. Install it instead of A556EXXU8BYF3 unless you need this exact version. The previous build was A556EXXS8BYE1.

    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 download is 8.469 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy A55 5G must be on bootloader binary 8 or lower.

    This build uses bootloader binary 8. It can be flashed on a Samsung Galaxy A55 5G running binary 8 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 2 other builds of this model use the same binary, so you can switch between them in both directions.

    Other builds and changelog for Samsung Galaxy A55 5G

    One UI 9
    Productivity and multitasking

    More customizable quick panel
    You can now rearrange and customize the controls in your quick panel even more than before. You can change the size of the brightness and volume sliders as well as the media player. You can also separate the sound mode button from the volume slider.

    Privacy, security, and device protection

    Warranty and care
    The new Warranty and care menu in settings lets you check your warranty information and access diagnostic checks a...

    • 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.

    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...

    Show 5 older builds

    • Security
    The device is protected with improved security.

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

    Model firmware by region