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    Samsung Galaxy J2 Core (SM-J260M) - ECO - J260MUBU7ASKB firmware

    Samsung Galaxy J2 Core firmware J260MUBU7ASKB is the Android 8.1.0 build for the Samsung Galaxy J2 Core (model SM-J260M), released by Samsung for Ecuador (ECO). It was built on 19 November 2019, carries the 2019-12-01 Android security patch, has changelist 15008757. The package combines system build J260MUBU7ASKB (AP/PDA) with CSC build J260MECO7ASL1 for the ECO region code. The download is 825 MB and has MD5 checksum 47c9785a94256d1eb0254389ae99175c, so you can verify the file after downloading. SamMobile added this file to the firmware archive on 17 September 2026.

    Country
    Model SM-J260M
    Product Code ECO
    Security Patch 2019-12-01
    OS Version Android 8.1.0
    PDA J260MUBU7ASKB
    CSC J260MECO7ASL1
    Build Date 2019-11-19
    Changelist 15008757
    File size 825 MB (864,948,904 bytes)
    MD5 47c9785a94256d1eb0254389ae99175c
    Join to Download Fast download

    Other SM-J260M firmware for Ecuador (ECO)

    All SM-J260M firmware for ECO · All Samsung Galaxy J2 Core (SM-J260M) firmware

    How to flash J260MUBU7ASKB on the Samsung Galaxy J2 Core (SM-J260M)

    We recommend updating through Samsung's own tools: over-the-air (Settings › Software update) or Samsung Smart Switch on a PC. Flash the full firmware with Odin only when you are sure about the risks. A wrong region or a failed flash can brick the device, and SamMobile is not responsible for any damage.

    1. Download the firmware package above and extract the ZIP. It contains the AP (PDA), BL, CP and CSC files, plus a HOME_CSC file.
    2. Download and extract Odin on a Windows PC, and install the Samsung USB drivers if the PC does not detect the phone.
    3. Switch the device off and boot it into Download mode (usually Volume Up + Volume Down while connecting the USB cable, or Volume Down + Bixby + Power on older models).
    4. Open Odin. The ID:COM box turns blue when the device is connected.
    5. Load the files in their slots: BL, AP, CP and CSC. Use HOME_CSC to keep your apps and data, CSC to wipe the device.
    6. Leave Re-Partition unticked and click Start. The device reboots when Odin shows PASS. The first boot after a flash can take a few minutes.

    Step-by-step PDFs: 5-file firmware and 1-file firmware.

    What the build numbers mean

    PDA / AP (J260MUBU7ASKB) is the Android system build; its last three characters encode the year, month and revision. CSC (J260MECO7ASL1) is the region and carrier configuration, and CP is the modem firmware. The product code ECO identifies the region or carrier this package was made for (Ecuador); our list of Samsung CSC codes maps every code to its country and carrier. Flashing a package for a different product code changes carrier features and can be refused by the bootloader, so pick the one that matches the CSC shown under Settings › About phone › Software information.