Samsung Galaxy A20 S205DLUDU2ASK2
SM-S205DL 4 countries Android 9 (Pie)

Samsung Galaxy A20 S205DLUDU2ASK2 Firmware

Samsung Galaxy A20 S205DLUDU2ASK2 is an Android 9 (Pie) firmware for 4 countries, 4 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 S205DLUDS2ASJ1, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-S205DL is available: S205DLUDUFCWH3.

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Android 9 (Pie)
OS Version
2019-11-07
First release
other regions until 2019-11-13
2019-10-01
Security patch
4
Countries
4
CSC codes
2
Bootloader binary

Bootloader binary 2. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy A20 use bootloader binary F (15) (latest: S205DLUDUFCWH3). If your device already runs binary F (15), 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: S205DLUDU2ASK2
    ModelRegionCSC VersionBuild DateRelease dateSizeFile nameDownload
    SM-S205DL
    TFN United States
    TFA, TFO, TFV
    		S205DLTFN2ASK2 2019-11-13 2019-12-11 2.918 GiB
    SM-S205DL_1_20210528190107_gg45kfdhcr_fac.zip
    SM-S205DL
    TFN United States
    		S205DL2ASK2 2019-11-07 2019-12-10 — —

    No matching downloads

    What's new in S205DLUDU2ASK2

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

    How to flash S205DLUDU2ASK2

    • S205DLUDU2ASK2 has bootloader binary 2. Your device must run binary 2 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

    S205DLUDU2ASK2 is Android 9 (Pie) firmware for Samsung Galaxy A20, released for 4 countries, 4 CSC codes. It includes the 2019-10-01 security patch. Samsung built it on 2019-11-07.

    No. A newer build for SM-S205DL is available: S205DLUDUFCWH3. Install it instead of S205DLUDU2ASK2 unless you need this exact version. The previous build was S205DLUDS2ASJ1.

    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 2.918 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy A20 must be on bootloader binary 2 or lower.

    This build uses bootloader binary 2. It can be flashed on a Samsung Galaxy A20 running binary 2 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 A20

    Software and Terms & Conditions Update

    IMPORTANT INFORMATION: This update includes revised Terms & Conditions for your device, including the Dispute Resolution Agreement with arbitration terms. For more information, review https://www.samsung.com/us/support/legal/mobile/.
    ​By clicking “Install now,” by scheduling your install, or by continuing to use your device after installation, you agree to these revised Terms & Conditions.

    • Security
    The device is protected with improved security.

    • The security of your device has been improved.

    · The security of your device has been improved.

    • The security of your device has been improved.

    · Security patch update
    Show 13 older builds

    • 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...

    · 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.

    One UI 2 upgrade with Android 10

    One UI 2 brings you Android 10, with exciting new features from Samsung and Google based on feedback from users like you.
    We recommend that you back up your important data to keep it safe during the upgrade.
    Some apps, including Calculator, Samsung Internet, Samsung Health and Samsung Notes, need to be updated individually after you update your OS.

    Here's what's new.

    Dark mode
    - Enhanced image, text, and color adjustments for day and night environments.
    - Dark...

    · The security 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 security of your device has been improved.

    · The security of your device has been improved.

    No changelog details available.
    Model firmware by region