Samsung Galaxy A70s A7070ZCS3CUJ2
SM-A7070 1 country Android 11

Samsung Galaxy A70s A7070ZCS3CUJ2 Firmware

Samsung Galaxy A70s A7070ZCS3CUJ2 is an Android 11 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 A7070ZCU3CUG3: security patch 2021-10-01 instead of 2021-07-01. A newer build for SM-A7070 is available: A7070ZCS3CWE1.

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Android 11
OS Version
2021-10-27
Build Date
2021-10-01
Security patch
1
Countries
1
CSC codes
3
Bootloader binary

Bootloader binary 3. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

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: A7070ZCS3CUJ2
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-A7070
    CHC China
    		A7070CHC3CUJ2 2021-10-27 5.196 GiB
    SM-A7070_3_20211021142413_2dkuo53apz_fac.zip

    No matching downloads

    What's new in A7070ZCS3CUJ2

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

    How to flash A7070ZCS3CUJ2

    • A7070ZCS3CUJ2 has bootloader binary 3. Your device must run binary 3 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

    A7070ZCS3CUJ2 is Android 11 firmware for Samsung Galaxy A70s, released for China (CHC). It includes the 2021-10-01 security patch. Samsung built it on 2021-10-27.

    No. A newer build for SM-A7070 is available: A7070ZCS3CWE1. Install it instead of A7070ZCS3CUJ2 unless you need this exact version. The previous build was A7070ZCU3CUG3.

    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 5.196 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy A70s must be on bootloader binary 3 or lower.

    This build uses bootloader binary 3. It can be flashed on a Samsung Galaxy A70s running binary 3 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 14 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 A70s

    • 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.

    • 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.

    • Following applications or features added: 音乐
    • 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.
    ※ After the updating, it is needed to agree to the terms and conditions due to the enforcement of the Personal Information Protection act.

    Show 14 older builds

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

    • Improve file sharing between Galaxy devices using Quick Share.

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

    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.

    Sc...

    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.

    • WLAN
    - If quality information on nearby WLAN routers can be measured, this information will appear as  Very Fast, Fast, Normal, or Slow.
      * This feature can be turned on or off in "Network Quality Information Display" settings.
    - When attempting to access a WLAN router with a password, a newly added feature now allows the user to request the password of the WLAN router from someone nearby wh...

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

    • Other bug fixes
    - The stability of CMCC RCS has been improved.
    ※ Group chat service in RCS will be terminated. Group chat function will be deleted.
    - Improved stability. - Calendar，Samsung Keyboard，Camera, Phone
    • The latest Android security patch has been applied.
    - Device security has been further enhanced.

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

    - Other bug fixes
    ㆍThe stability of Camera has been improved.
    - The latest Android security patch has been applied.
    ㆍDevice security has been further enhanced.

    - Other bug fixes
    ㆍImproved fingerprint recognition algorithm
    ※ For better recognition, we recommend that you remove your fingerprints and register them again.
    - The latest Android security patch has been applied.
    ㆍDevice security has been further enhanced.

    No changelog details available.
    No changelog details available.
    Model firmware by region