Samsung Galaxy A30s A307GUBS4CUH2
SM-A307G 1 country Android 11

Samsung Galaxy A30s A307GUBS4CUH2 Firmware

Samsung Galaxy A30s A307GUBS4CUH2 is an Android 11 firmware for Mexico (IUS, UNE). 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 A307GUBS4CUH1, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-A307G is available: A307GUBS6CWH3.

9.3/10 (484)8,550 times
Android 11
OS Version
2021-08-25
Build Date
2021-08-01
Security patch
1
Countries
2
CSC codes
4
Bootloader binary

Bootloader binary 4. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy A30s use bootloader binary 6 (latest: A307GUBS6CWH3). If your device already runs binary 6, 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: A307GDXU4CUF2
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-A307G
    IUS, UNE Mexico
    		A307GOWC4CUF3 2021-08-26 4.169 GiB
    SM-A307G_2_20210817060149_6cfqx99000_fac.zip

    No matching downloads

    Device specifications

    • Launched withAndroid 9.0
    • Display diagonal16.3 cm (6.4")
    • Display resolution1560 x 720 pixels
    • Display typeSAMOLED
    • Processor frequency1.8 GHz
    • Processor familySamsung Exynos
    • Processor model7904
    • RAM4 GB
    • Rear camera resolution25 MP
    • Rear camera typeTriple camera
    • SIM cardsDual SIM
    • Battery capacity4000 mAh
    • Weight169 g

    What's new in A307GUBS4CUH2

    • The security of your device has been improved.

    How to flash A307GUBS4CUH2

    • A307GUBS4CUH2 has bootloader binary 4. Your device must run binary 4 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

    A307GUBS4CUH2 is Android 11 firmware for Samsung Galaxy A30s, released for Mexico (IUS, UNE). It includes the 2021-08-01 security patch. Samsung built it on 2021-08-25.

    No. A newer build for SM-A307G is available: A307GUBS6CWH3. Install it instead of A307GUBS4CUH2 unless you need this exact version. The previous build was A307GUBS4CUH1.

    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 4.169 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy A30s must be on bootloader binary 4 or lower.

    This build uses bootloader binary 4. It can be flashed on a Samsung Galaxy A30s running binary 4 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 31 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 A30s

    No changelog details available.

    • 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.

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

    • The security of your device has been improved.

    Show 15 older builds

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

    No changelog details available.

    • Overall stability 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.

    • 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
    · Security patch update
    No changelog details available.

    • The security of your device has been improved.

    • Overall stability 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.

    Model firmware by region