Samsung Galaxy A20 A205GUBS8BUA1
SM-A205G 6 countries Android 10

Samsung Galaxy A20 A205GUBS8BUA1 Firmware

Samsung Galaxy A20 A205GUBS8BUA1 is an Android 10 firmware for 6 countries, 6 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 A205GUBS8BTL3: security patch 2021-01-01 instead of 2020-12-01. A newer build for SM-A205G is available: A205GUBUBCWD6.

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Android 10
OS Version
2021-01-29
First release
other regions until 2021-02-23
2021-01-01
Security patch
6
Countries
6
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 A20 use bootloader binary B (11) (latest: A205GUBUBCWD6). 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#.
    Your CSC is in Settings → About phone (About tablet) → Software information, or dial *#1234#. The CSC sets your region's features and network bands. Download the firmware for your country.
    MODEM/CP Version: A205GNDXS8BUA1
    ModelRegionCSC VersionBuild DateRelease dateSizeFile nameDownload
    SM-A205G
    CDR Dominican Republic
    CHL Chile
    ECO Ecuador
    PET Peru
    +1 more country
    TCE Mexico
    		A205GOWA8BUA1 2021-02-23 2021-01-29 3.151 GiB
    SM-A205G_1_20210115053207_1o2wf3ftgp_fac.zip
    SM-A205G
    PCT Puerto Rico
    		A205GOWA8BUA3 2021-01-29 2021-01-29 3.151 GiB
    SM-A205G_1_20210115053434_uu1yi50qsh_fac.zip

    No matching downloads

    Device specifications

    • Launched withAndroid 9.0
    • Display diagonal16.3 cm (6.4")
    • Display resolution720 x 1560 pixels
    • Display typeSAMOLED
    • Processor frequency1.6 GHz
    • Processor familySamsung Exynos
    • RAM3 GB
    • Rear camera resolution13 MP
    • Rear camera typeDual camera
    • SIM cardsDual SIM
    • Battery capacity4000 mAh
    • Weight169 g

    What's new in A205GUBS8BUA1

    • The security of your device has been improved.

    How to flash A205GUBS8BUA1

    • A205GUBS8BUA1 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.

    Frequently Asked Questions

    A205GUBS8BUA1 is Android 10 firmware for Samsung Galaxy A20, released for 6 countries, 6 CSC codes. It includes the 2021-01-01 security patch. Samsung built it on 2021-01-29.

    No. A newer build for SM-A205G is available: A205GUBUBCWD6. Install it instead of A205GUBS8BUA1 unless you need this exact version. The previous build was A205GUBS8BTL3.

    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 A20 must be on bootloader binary 8 or lower.

    This build uses bootloader binary 8. It can be flashed on a Samsung Galaxy A20 running binary 8 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 3 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

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

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

    · Security patch update
    · Security patch update

    • Security
    The device is protected with improved security.

    Show 15 older builds

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

    • 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.

    · 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.

    · 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.

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

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

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

    • Improved stability of the following applications or features: Google RCS (Rich Communication Services)
    • The security of your device has been improved.

    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...

    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...

    • Added new feature. - Google RCS(Rich Communication Service)
    • Overall stability of functions improved.
    • The security of your device has been improved.

    Model firmware by region