Install Android 4.1.2 XWLSD Jelly Bean Official Firmware on Galaxy S2 GT-I9100

It’s high time we discussed the burning matter of how to install Android 4.1.2 Jelly Bean on Galaxy S2 GT-I9100. Our alternative to the methods out there is underlined in this tutorial.

The tool we chose for it is called Android 4.1.2 XWLSD Jelly Bean official firmware.


The countries where this tool works are the Austria, UK, Germany, Spain, France, Belgium, Italy and Hungary. To enable a smooth installation, the following pre-requisites are in order: charge the battery of your handset, turn USB debugging on, make as many backups as possible and install drivers for this model. Now that we have acquitted ourselves of the requirements part, the steps that make it possible to install the update on your Galaxy S2 GT-I9100 are upon us.Galaxy-S2-I9100

Important instructions

  1. The first one of the series needs you to to your laptop.
  2. Unzip the firmware archive and then , after which you have to turn the handset off so that you can proceed to the third step: boot the smartphone into Download Mode. The way to do that is similar to all our other tutorials: press while at the same time hold down Home, Volume Down and Power; let go of the first two keys and press only Power. Run Odin tool on your laptop and connect the S2 GT-I9100 to the latter.
  3. Choose the following:
    – the file that has “CODE” in the name (by clicking on PDA);
    – the file which is baptized with “MODEM” (you need to click on Phone for this to work);
    – the file that contains “CSC” in its title (tap on CSC);
    – the .pit file (after tapping on PIT).
  4. [sc name=”banner-jos”]You maybe won’t see any of the above files; ignore what we just wrote and move on to the fourth step telling you to check-mark F. Reset Time and Auto Reboot. If you’re using the .PIT file, check-mark Repartition and then tap on Start.
  5. The Android 4.1.2 Jelly Bean XWMSD official firmware is going to be installed. At the end of it all you will need to just wait for the Galaxy S2 GT-I9100 to finally restart and for its home screen to show up.
  6. Step six, the final one, requires you to disconnect the handset from the laptop after the home screen marks its presence. If you are unsure of the process, do this: go to Settings and opt for About Phone. This will inform you on the software version your device has.