Samsung Galaxy S21 Ultra 5G G9980ZCU2AUGE
SM-G9980 1 country Android 11

Samsung Galaxy S21 Ultra 5G G9980ZCU2AUGE Firmware

Samsung Galaxy S21 Ultra 5G G9980ZCU2AUGE 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 G9980ZHU2AUGE, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-G9980 is available: G9980ZCUGHZE1.

OS updates guaranteed until: Android 15Security updates until: Jan 24, 2026
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Android 11
OS Version
2021-07-30
Build Date
2021-08-01
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 S21 Ultra 5G use bootloader binary G (16) (latest: G9980ZCUGHZE1). If your device already runs binary G (16), 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: G9980ZCU2AUGE
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-G9980
    CHC China
    		G9980CHC2AUGE 2021-07-30 7.5 GiB
    SM-G9980_1_20210722200204_d4bauek8qs_fac.zip

    No matching downloads

    Device specifications

    • Launched withAndroid 11
    • Display diagonal17.3 cm (6.8")
    • Display resolution3200 x 1440 pixels
    • Display typeDynamic AMOLED 2X
    • RAM12 GB
    • Rear camera resolution108 MP
    • Rear camera typeQuad camera
    • Battery capacity5000 mAh
    • Weight228 g

    Specifications of SM-G998, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    What's new in G9980ZCU2AUGE

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

    • Other bug fixes
    - Overall stability of functions improved.
    • The latest Android security patch has been applied.
    - Device security has been further enhanced.

    How to flash G9980ZCU2AUGE

    • G9980ZCU2AUGE 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

    G9980ZCU2AUGE is Android 11 firmware for Samsung Galaxy S21 Ultra 5G, released for China (CHC). It includes the 2021-08-01 security patch. Samsung built it on 2021-07-30.

    No. A newer build for SM-G9980 is available: G9980ZCUGHZE1. Install it instead of G9980ZCU2AUGE unless you need this exact version. The previous build was G9980ZHU2AUGE.

    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 7.5 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy S21 Ultra 5G must be on bootloader binary 2 or lower.

    This build uses bootloader binary 2. It can be flashed on a Samsung Galaxy S21 Ultra 5G running binary 2 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 49 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 S21 Ultra 5G

    • Stability and reliability
    Device behavior has been improved.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    • Security
    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    • Security
    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    • Security
    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    • Security
    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    Show 15 older builds
    No changelog details available.

    • Security
    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    • Security
    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    No changelog details available.

    • Security
    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    • Security
    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    No changelog details available.
    • Security

    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    • Security

    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    One UI 7.0 Upgrade (Android 15)
    Bold new look

    Visual enhancements
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    Reimagined Home screen
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    One UI 7.0 Upgrade (Android 15)
    Bold new look

    Visual enhancements
    Enjoy a more sophisticated and unique look. One UI 7 introduces a stunning redesign to key components including buttons, menus, notifications and control bars, providing a more consistent visual experience with curves and circles. Beautiful new colors, soft animations, and an innovative blur effect that's unique to One UI make information hierarchy clearer and help you focus on important information.

    Reimagined Home screen
    Fr...

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

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

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

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

    Model firmware by region