Samsung Galaxy A40s A3050ZCS2ASK2
SM-A3050 1 country Android 9 (Pie)

Samsung Galaxy A40s A3050ZCS2ASK2 Firmware

Samsung Galaxy A40s A3050ZCS2ASK2 is an Android 9 (Pie) firmware for China (CHC). 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 A3050ZHS2ASK2, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-A3050 is available: A3050ZHS4CWA3.

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Android 9 (Pie)
OS Version
2019-11-21
First release
other regions until 2019-11-30
2019-11-01
Security patch
1
Countries
1
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 A40s use bootloader binary 4 (latest: A3050ZHS4CWA3). If your device already runs binary 4, 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: A3050ZCS2ASK2
    ModelRegionCSC VersionBuild DateRelease dateSizeFile nameDownload
    SM-A3050
    CHC China
    		A3050CHC2ASK2 2019-11-30 2019-12-06 4.061 GiB
    SM-A3050_2_20210422135407_0db1pf1z34_fac.zip
    SM-A3050
    CHC China
    		A30502ASK2 2019-11-21 2019-12-06 — —

    No matching downloads

    Device specifications

    • Display diagonal16.3 cm (6.4")
    • Display resolution1080 x 2340 pixels
    • Display typeSAMOLED
    • RAM4 GB
    • Rear camera resolution16 MP
    • Rear camera typeDual camera
    • Battery capacity4000 mAh
    • Weight165 g

    Specifications of SM-A305F, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    What's new in A3050ZCS2ASK2

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

    How to flash A3050ZCS2ASK2

    • A3050ZCS2ASK2 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

    A3050ZCS2ASK2 is Android 9 (Pie) firmware for Samsung Galaxy A40s, released for China (CHC). It includes the 2019-11-01 security patch. Samsung built it on 2019-11-21.

    No. A newer build for SM-A3050 is available: A3050ZHS4CWA3. Install it instead of A3050ZCS2ASK2 unless you need this exact version. The previous build was A3050ZHS2ASK2.

    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 4.061 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy A40s must be on bootloader binary 2 or lower.

    This build uses bootloader binary 2. It can be flashed on a Samsung Galaxy A40s running binary 2 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 7 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 A40s

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

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

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

    • Following applications or features added: 芒果TV三星版
    • Overall stability 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 latest Android security patch has been applied.
    - Device security has been further enhanced.

    Show 15 older builds

    The exact changes may differ depending on your device model, region, and service provider.

    • Following applications or features added: 音乐
    • Overall stability of your device has been improved.
    • The latest Android security patch has been applied.
    - Device security has been further enhanced.
    ※ After the updating, it is needed to agree to the terms and conditions due to the enforcement of the Personal Information Protection act.

    • Overall stability of your device has been improved.

    • Overall stability of your device has been improved.

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

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

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    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.

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

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

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

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

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

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

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

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

    • Improved stability. - Calendar，Messages，Camera
    • The latest Android security patch has been applied.
    - Device security has been further enhanced.

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

    • Improved stability. - Calendar，Messages，Camera
    • The latest Android security patch has been applied.
    - Device security has been further enhanced.

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

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

    • Other bug fixes
    - Improved stability. - Calendar，Call，Messages，Camera
    • The latest Android security patch has been applied.
    - Device security has been further enhanced.

    Model firmware by region