Samsung Galaxy A21s A217FZHU5BUB5
SM-A217F 2 countries Android 10

Samsung Galaxy A21s A217FZHU5BUB5 Firmware

Samsung Galaxy A21s A217FZHU5BUB5 is an Android 10 firmware for Hong Kong SAR China (TGY), Taiwan (BRI). 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 A217FXXU5BUB4, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-A217F is available: A217FXXSCDXE2.

Download firmware
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Android 10
OS Version
2021-03-09
Build Date
2021-01-01
Security patch
2
Countries
2
CSC codes
5
Bootloader binary

Bootloader binary 5. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy A21s use bootloader binary C (12) (latest: A217FXXSCDXE2). If your device already runs binary C (12), 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: A217FXXU5BUA2
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-A217F
    BRI Taiwan
    TGY Hong Kong SAR China
    		A217FOZS5BUB5 2021-03-10 3.069 GiB
    SM-A217F_1_20210301103605_10ylqu8hud_fac.zip
    		Download

    No matching downloads

    How to flash A217FZHU5BUB5

    • A217FZHU5BUB5 has bootloader binary 5. Your device must run binary 5 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 A217FZHU5BUB5

    The exact changes may differ depending on your device model, country/Region, and service provider.

    • Other bug fixes
    - The stability of Touch screen has been improved.
    • The latest Android security patch has been applied.
    - Device security has been further enhanced.

    Rollout of A217FZHU5BUB5 by region

    Samsung released this build in all regions (2) on the same day, March 10, 2021.

    Device specifications

    • Launched withAndroid 10.0
    • Display diagonal16.5 cm (6.5")
    • Display resolution720 x 1600 pixels
    • Display typePLS
    • Processor frequency2 GHz
    • Processor familySamsung Exynos
    • Processor model850
    • RAM3 GB
    • Rear camera resolution48 MP
    • Rear camera typeQuad camera
    • SIM cardsDual SIM
    • Battery capacity5000 mAh
    • Weight192 g

    Frequently Asked Questions

    A217FZHU5BUB5 is Android 10 firmware for Samsung Galaxy A21s, released for Hong Kong SAR China (TGY), Taiwan (BRI). It includes the 2021-01-01 security patch. Samsung built it on 2021-03-09.

    No. A newer build for SM-A217F is available: A217FXXSCDXE2. Install it instead of A217FZHU5BUB5 unless you need this exact version. The previous build was A217FXXU5BUB4.

    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 3.069 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy A21s must be on bootloader binary 5 or lower.

    This build uses bootloader binary 5. It can be flashed on a Samsung Galaxy A21s running binary 5 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 13 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 A21s

    • The security of your device has been improved.

    • The latest Android security patch has been applied.
    - Device security has been further enhanced.

    • Security
    The device is protected with improved security.

    • The latest Android security patch has been applied.
    - Device security has been further enhanced.

    • Security
    The device is protected with improved security.

    Show 15 older builds

    • The latest Android security patch has been applied.
    - Device security has been further enhanced.

    • Security
    The device is protected with improved security.

    • The security of your device has been improved.

    • The latest Android security patch has been applied.
    - Device security has been further enhanced.

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

    • The latest Android security patch has been applied.
    - Device security has been further enhanced.

    • Overall stability of your device has been improved.

    • Overall stability of your device has been improved.
    • The latest Android security patch has been applied.
    - Device security has been further enhanced.

    One UI Core 4.1 Upgrade (Android 12)

    One UI Core 4.1 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 Core 4.1 offers strong privacy protection to make sure your personal information...

    • The security of your device has been improved.

    • The latest Android security patch has been applied.
    - Device security has been further enhanced.

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

    Model firmware by region