Galaxy J2 Core SM-J260M U4 Firmware – J260MUBU4ASD9

Galaxy J2 Core SM-J260M Binary 4 Firmware

The specific Galaxy J2 Core SM-J260M U4 Firmware Download Package has a Stock ROM of Galaxy J2 Core SM-J260M U4 Security Patch Level 04/01-2019 (April 1, 2019). This helps bypass the FRP lock and revert from the root and custom ROM.

Samsung Galaxy J2 Core SM-J260M Binary 4 Android 8.1 Oreo Ecuador ECO – J260MUBU4ASD9

There are various reasons to flash “Stock Firmware on Galaxy J2 Core SM-J260M U4“. For instance, if your phone gets stuck on the logo and you need to remove the FRP lock from it.

If you’re going to reset your phone hard and cannot access the recovery menu. But most of the problems that cause flashing stock ROM are below.

The Advantages Of Stock ROM:

  • Fix boot loop issue
  • Update and Downgrade
  • Unroot or Fix Bugs
  • To solve the lag or stutter
  • Fix software issues.
  • Revert to stock firmware


Galaxy J2 Core SM-J260M U4 Stock ROM Details:

SM-J260M U4 Ecuador ECO – J260MUBU4ASD9:

Model SM-J260M Binary 4 U4, S4, Bit 4
Region / Country Ecuador
Language Multi-Language
Android version Android 8.1 Oreo
Operator / Carrier Clean ECO (no logo, operator apps)
product code ECO
Build Date
Security Patch Level 04/01-2019 (April 1, 2019)
Size 823 MB
[quads id=2]
Download Google Drive Android File Host

How To Install Galaxy J2 Core SM-J260M U4 Stock Firmware:

How To Flash Samsung Stock Firmware With ODIN

1: Install the Samsung USB Driver on your pc.

2: Download and extract the Galaxy J2 Core SM-J260M U4 Firmware files on your computer.

3: Now, Switch off your Smartphone.

4: Turn off the phone and boot into Download Mode.

Press and hold Volume Down, Home and Power button at the same time for 5-8 seconds until download mode is active.

5: A Warning Yellow Triangle Sign appears in Download mode. Press the Volume Up key to proceed.

6: Open Odin. Then, connect your phone to the pc.

7: Odin will detect the device and show the “Added message in the lower-left panel.”.

8: Click the PDA button and select the Firmware.tar file.

9: Now, click the Start button in Odin to begin the Flashing.

10: Flashing usually takes 30-50 seconds to complete on your Phone.

Once the Firmware process is completed, you will see a Green Box with a Pass written in Odin. During this process, the Smartphone will reboot automatically.

Once you spot the “Pass” message in Odin, you can unplug your device from the computer.

You should run your desired firmware when your Galaxy J2 Core SM-J260M U4 finally boots up.

To verify the installed firmware, go to Settings –> About Phone –> Software Information. Check the firmware number under “Baseband version.”


  • Read and understand the Full Guide before flashing.”Galaxy J2 Core SM-J260M U4 Firmware.
  • Use these instructions at your own risk. We are not liable for any outcomes on your device due to following the information in this guide.
  • Phone must have a 70–80% charge.