Samsung Galaxy J3 J3308ZMU3CSK4
SM-J3308 1 country Android 9 (Pie)

Samsung Galaxy J3 J3308ZMU3CSK4 Firmware

Samsung Galaxy J3 J3308ZMU3CSK4 is an Android 9 (Pie) firmware for China (CHM). 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 J3308ZMU3CSK2, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-J3308 is available: J3308ZMU4CUE2.

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Android 9 (Pie)
OS Version
2019-11-26
First release
other regions until 2019-12-09
2019-09-01
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.

Newer builds of Samsung Galaxy J3 use bootloader binary 4 (latest: J3308ZMU4CUE2). 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: J3308ZMU3CSK4
    ModelRegionCSC VersionBuild DateRelease dateSizeFile nameDownload
    SM-J3308
    CHM China
    		J3308CHM3CSK4 2019-12-09 2019-12-17 2.422 GiB
    SM-J3308_3_20210528121807_96oko04fkw_fac.zip
    SM-J3308
    CHM China
    		J33083CSK4 2019-11-26 2019-12-17 — —

    No matching downloads

    Device specifications

    • Display diagonal12.7 cm (5")
    • Display resolution720 x 1280 pixels
    • Display typeTFT-LCD
    • RAM2 GB
    • Rear camera resolution13 MP
    • Rear camera typeSingle camera
    • Battery capacity2400 mAh
    • Weight142 g

    Specifications of SM-J330, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    What's new in J3308ZMU3CSK4

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

    How to flash J3308ZMU3CSK4

    • J3308ZMU3CSK4 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

    J3308ZMU3CSK4 is Android 9 (Pie) firmware for Samsung Galaxy J3, released for China (CHM). It includes the 2019-09-01 security patch. Samsung built it on 2019-11-26.

    No. A newer build for SM-J3308 is available: J3308ZMU4CUE2. Install it instead of J3308ZMU3CSK4 unless you need this exact version. The previous build was J3308ZMU3CSK2.

    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 2.422 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy J3 must be on bootloader binary 3 or lower.

    This build uses bootloader binary 3. It can be flashed on a Samsung Galaxy J3 running binary 3 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 4 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 J3

    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.

    - 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.

    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.

    Show 14 older builds

    - 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.

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

    Upgraded One UI for Android Pie

    One UI brings you Android Pie, with exciting new features and a whole new look and feel based on feedback from users in Samsung and Google.
    We recommend that you back up your important data to keep it safe before the upgrade.
    Some apps, including Calculator, Samsung Internet, Samsung Health, Samsung Notes,Samsung Member, need to be updated individually after you update your OS.
    To use the "Remote Unlock" function in "Find My Mobile" from the Android Pie OS, the s...

    - 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.

    Samsung Experience 9.0 upgrade

    Samsung Experience 9.0 brings you Android Oreo, 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 Samsung Internet, Samsung Notes, and Email, should be updated individually before you can update your OS.

    Here’s what’s new.

    Quick Panel
    - Manage notifications for each app with notification categories (supported apps o...

    - Added new feature
    ㆍNon-CMCC SIM card also support LTE+WCDMA mode in roaming areas.
    - Other bug fixes
    ㆍThe stability of the Bluetooth is improved.
    - 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
    ㆍAfter entering Wechat, the problem that black screen is displayed on a specific pass is solved.
    - The latest Android security patch has been applied.
    ㆍDevice security has been further enhanced.

    - CMCC Video CRBT(Coloring Ring Back Tone) function is added.

    - Other bug fixes
    ㆍFixed an issue that the Message APK will be force closed when input a specific number during message creation.
    - The latest Android security patch has been applied.
    ㆍDevice security has been further enhanced.

    - Weather widget will be updated.
    ( After updating, it is necessary to reset the default setting. )
    - The widget "Search 4x1" will be deleted.
    - Activiation feature is added, the device must be activiated before using it.
    ( If there is no connection to the data, the setupwizard can not be ended. )
    - Improved performance
    ㆍAndpay (和包支付) The stability of the application improved.
    ( After upgrading, you may need to uninstall incompatible versions and package programs. )
    - The latest Android secur...

    No changelog details available.
    Model firmware by region