Samsung Galaxy J3 J3109KEU1APC2
SM-J3109 1 country Android 5.1.1 (Lollipop)

Samsung Galaxy J3 J3109KEU1APC2 Firmware

Samsung Galaxy J3 J3109KEU1APC2 is an Android 5.1.1 (Lollipop) firmware for China (CTC). 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 J3109KEU1APC1, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-J3109 is available: J3109KES1ARG1.

Download firmware
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Android 5.1.1 (Lollipop)
OS Version
2016-03-28
Build Date
1
Countries
1
CSC codes
1
Bootloader binary

Bootloader binary 1. 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: J3109KEU1APC2
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-J3109
    CTC China
    		J31091APC2 2016-04-18 — — Download

    No matching downloads

    How to flash J3109KEU1APC2

    • J3109KEU1APC2 has bootloader binary 1. Your device must run binary 1 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.

    What's new in J3109KEU1APC2

    - apply the new vibration mode
    - Apply the Andriod regular security patch.

    Frequently Asked Questions

    J3109KEU1APC2 is Android 5.1.1 (Lollipop) firmware for Samsung Galaxy J3, released for China (CTC). Samsung built it on 2016-03-28.

    No. A newer build for SM-J3109 is available: J3109KES1ARG1. Install it instead of J3109KEU1APC2 unless you need this exact version. The previous build was J3109KEU1APC1.

    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 Samsung Galaxy J3 must be on bootloader binary 1 or lower.

    This build uses bootloader binary 1. It can be flashed on a Samsung Galaxy J3 running binary 1 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 10 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 latest Android security patch has been applied.
    ㆍDevice security has been further enhanced.

    - My Knox service will terminate after 2017/12/19.
      ( Existing installation My Knox  application can be used, you can use this function  untill you uninstall it or make factory reset. )
    - 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.

    - apply the new vibration mode
    - Apply the Andriod regular security patch.

    - SW Update improvement ( Schedule Update, Update Notice function
    - Add Theme Download Function
    - Add Restrict Data Limit Function
    - Improved performance with efficient memory management
    ㆍSmart Manager improvement

    Show 3 older builds

    - Fix the issue that eWallet could not login normally with some special SIM card
    - Update Besttone App version
    - Improved the FOTA installation speed
    - apply the Andriod regular security patch
    - Strengthen the system stablility

    ㆍDevice stability improvements, bug fixes.
    ㆍNew and / or enhanced features.
    ㆍFurther improvements to performance.

    No changelog details available.
    Model firmware by region