Procedure to Update Galaxy S2 GT I9100 with the Jellybean 4.1.2 Android OS:
- Download the Latest version of Biftor ROM Jellybean build from here to your computer. Once downloaded, connect your device to the computer with the help of original USB cable and place the zip package in your device.
- Turn Off your phone so that it can be entered in the download mode. Recovery mode in Galaxy S2 GT I9100 can be entered by pressing Volume Up Key, Centre button, and holding both simultaneously press the Power Button after which you will get to see a green robot indicating that the device has entered in the recovery mode.
- In recovery mode, select “install zip from SD Card” and choose the firmware zip file which you have placed in your device.
- Once selected, you need to wait for the same to get updated in your device. It may take around 4 -5 minutes for applying the update. Once the device is updated, select the option of “Reboot System Now” for rebooting the device in the normal mode.
- To check on whether the device is updated with the firmware or not, you need to check the same from the path “Settings > About Phone > Firmware Version” where you will get to see about the firmware version.
Note: If the device gets into the boot loop sequence or say gets stuck in the welcome screen, just re insert the battery and re follow the above instructions so as to again follow the above mentioned instructions.
So there you go, you have now successfully applied the latest firmware of Jellybean 4.1.2 in your Samsung Galaxy S2 GT I9100 smartphone. Do let us know in the comments section just in case if you face any issues as we are committed to address the same at the earliest.
