Samsung Galaxy A20 A205FNPUSABUD1
SM-A205FN 1 country Android 10

Samsung Galaxy A20 A205FNPUSABUD1 Firmware

Samsung Galaxy A20 A205FNPUSABUD1 is an Android 10 firmware for Russia (SER). 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 A205FNXXSABUD1, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-A205FN is available: A205FNPUSBCWC3.

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Android 10
OS Version
2021-04-21
Build Date
2021-04-01
Security patch
1
Countries
1
CSC codes
A (10)
Bootloader binary

Bootloader binary A (10). Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy A20 use bootloader binary B (11) (latest: A205FNPUSBCWC3). If your device already runs binary B (11), 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: A205FNXXSABUB1
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-A205FN
    SER Russia
    		A205FNSERABUB1 2021-04-21 2.97 GiB
    SM-A205FN_1_20210409155436_ati5hwq72s_fac.zip

    No matching downloads

    Device specifications

    • Display diagonal16.3 cm (6.4")
    • Display resolution720 x 1560 pixels
    • Display typeSAMOLED
    • RAM3 GB
    • Rear camera resolution13 MP
    • Rear camera typeDual camera
    • Battery capacity4000 mAh
    • Weight169 g

    Specifications of SM-A205F, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    What's new in A205FNPUSABUD1

    · Security patch update

    How to flash A205FNPUSABUD1

    • A205FNPUSABUD1 has bootloader binary A (10). Your device must run binary A (10) 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.

    Frequently Asked Questions

    A205FNPUSABUD1 is Android 10 firmware for Samsung Galaxy A20, released for Russia (SER). It includes the 2021-04-01 security patch. Samsung built it on 2021-04-21.

    No. A newer build for SM-A205FN is available: A205FNPUSBCWC3. Install it instead of A205FNPUSABUD1 unless you need this exact version. The previous build was A205FNXXSABUD1.

    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 2.97 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy A20 must be on bootloader binary A (10) or lower.

    This build uses bootloader binary A (10). It can be flashed on a Samsung Galaxy A20 running binary A (10) or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 9 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 A20

    • Security
    The device is protected with improved security.

    • Security
    The device is protected with improved security.

    • The security of your device has been improved.

    • The security of your device has been improved.

    · Security patch update
    Show 15 older builds
    · Security patch update

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

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

    One UI 3 Upgrade (Android 11)
    One UI 3 is designed to help you focus on what matters. Our visual redesign has improved the places you visit the most, like the Home screen and quick panel, to reduce distractions, highlight important information, and make your experience more consistent. Performance improvements will help apps run quicker while using less battery power. And One UI 3 puts control in your hands with new privacy controls, one-time permissions, and enhanced Digital Wellbeing.

    Scrol...

    One UI 3 Upgrade (Android 11)
    One UI 3 is designed to help you focus on what matters. Our visual redesign has improved the places you visit the most, like the Home screen and quick panel, to reduce distractions, highlight important information, and make your experience more consistent. Performance improvements will help apps run quicker while using less battery power. And One UI 3 puts control in your hands with new privacy controls, one-time permissions, and enhanced Digital Wellbeing.

    Scrol...

    · Security patch update
    · Security patch update

    · The security of your device has been improved.

    · The security of your device has been improved.

    · The security of your device has been improved.

    · The security of your device has been improved.

    · The security of your device has been improved.

    · The security of your device has been improved.

    No changelog details available.
    No changelog details available.
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