Samsung Galaxy A21s A217MUBS7CUH3
SM-A217M 2 countries Android 11

Samsung Galaxy A21s A217MUBS7CUH3 Firmware

Samsung Galaxy A21s A217MUBS7CUH3 is an Android 11 firmware for Ecuador (ECO), Mexico (TCE). 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 A217MUBS7CUH2, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-A217M is available: A217MUBSCDXF2.

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Android 11
OS Version
2021-09-11
Build Date
2021-09-01
Security patch
2
Countries
2
CSC codes
7
Bootloader binary

Bootloader binary 7. 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: A217MUBSCDXF2). 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: A217MUBS7CUH3
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-A217M
    ECO Ecuador
    TCE Mexico
    		A217MOWA7CUH3 2021-09-13 3.704 GiB
    SM-A217M_1_20210903064414_ruo3v1l1k2_fac.zip

    No matching downloads

    How to flash A217MUBS7CUH3

    • A217MUBS7CUH3 has bootloader binary 7. Your device must run binary 7 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 A217MUBS7CUH3

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

    Rollout of A217MUBS7CUH3 by region

    First release
    September 13, 2021
    Last region
    September 14, 2021
    Duration
    2 days
    Regions
    2
    1. Day 1 · · 1 region
      EcuadorECO
    2. Day 2 · · 1 region
      MexicoTCE

    Device specifications

    • Display diagonal16.5 cm (6.5")
    • Display resolution720 x 1600 pixels
    • Display typePLS
    • Processor frequency2 GHz
    • RAM4 GB
    • Rear camera resolution48 MP
    • Rear camera typeQuad camera
    • SIM cardsDual SIM
    • Battery capacity5000 mAh
    • Weight192 g

    Frequently Asked Questions

    A217MUBS7CUH3 is Android 11 firmware for Samsung Galaxy A21s, released for Ecuador (ECO), Mexico (TCE). It includes the 2021-09-01 security patch. Samsung built it on 2021-09-11.

    No. A newer build for SM-A217M is available: A217MUBSCDXF2. Install it instead of A217MUBS7CUH3 unless you need this exact version. The previous build was A217MUBS7CUH2.

    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 3.704 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy A21s must be on bootloader binary 7 or lower.

    This build uses bootloader binary 7. It can be flashed on a Samsung Galaxy A21s running binary 7 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 A21s

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

    · Security patch update

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

    · Security patch update

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

    Show 12 older builds
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    · Device stability improvements, bug fixes.
    · New and / or enhanced features.
    · Further improvements to performance.

    • The security of your device has been improved.

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

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

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

    • The performance of Camera has been improved
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    • The security of your device has been improved.

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

    Model firmware by region