How to Update China Telecom Samsung Galaxy SM-J3109 to Android 5.1.1 KEU1AOK1 Firmware

The China Telecom Samsung Galaxy SM-J3109 is receiving the official firmware update on Android Lollipop version. The update only rolled for the model number SM-J3109 with firmware dubbed as KEU1AOK1. The update brings the whole new powerpack performance and new icon layout for your China Telecom Samsung Galaxy SM-J3109. The security is enhanced and other small improvements are done. Currently it is available on air but manually can be updated by following the article given below.

Installation of the firmware is official and hence the rooted device will get revoked and an entire bricked device will get back to its original form.


  1. Computer with internet
  2. USB cable
  3. Back up your phone data such as SMS, MMS, contacts, call logs, multimedia etc. so that they don’t get wiped out during procedure.
  4. Charge the Smartphone at least to 70% battery power to carry on the process.
  5. Disable the security services in your computer
  6. Enable the USB Debugging by tapping on Settings-> Applications-> Development-> tick the USB debugging. Untick USB Debugging after everything is completed.


Update Galaxy SM-J3109 with Official Android 5.1.1 Lollipop KEU1AOK1 Firmware

  1. First go for download of Android 5.1.1 Lollipop KEU1AOK1 firmware and odin in your computer from the above given links for your Samsung Galaxy SM-J3109.
  2. Then extract the files that to obtain the md4 .tar file.
  3. Next switch off the Smartphone and boot in download mode by press holding the HOME+POWER+VOLUME DOWN button at the same time.
  4. Then run the odin in pc and connect the device to PC via USB cable. You would see the ID:COM turns blue and message appears as Added. This means the device has been added.
  5. Click the AP button now and go to the firmware file that was saved in desktop.
  6. Then check the auto reboot and F.reset time options. The re-partion option must be unticked.
  7. Then hit the start button and wait until the update is completed. Well, the device automatically gets rebooted to normal mode. Then disconnect the USB cable.

And Congratulations, you have just earned the procedure to Update the China Telecom Samsung Galaxy SM-J3109 to the Official Android 5.1.1 Lollipop KEU1AOK1 Firmware easily. If you have other queries on android, then do follow our website BlogZamana.

Leave A Reply

Your email address will not be published.