Update Galaxy S2 I9100 to AOKP JB-MR1 Android 4.2.2 Jelly Bean ROM

Here’s a useful tutorial on how to install a custom ROM on your Samsung Galaxy S2 I9100. We are going to use an instrument called AOKP JB-MR1 by the one responsible for its development.

Without its presence on your phone, the latter will remain in its limited form.


To make this guide a success, we included – besides the obvious steps needed to install the update – these requirements: download GApps from this page (you must choose the file called gapps-jb-20121212-signed.zip) and (the file is labelled aokp_i9100_jb-mr1_build-4.zip).

Also charge your smartphone and do all the other necessary actions we’ve tackled in past guides for other devices. Like backups, drivers installation so on.


Now’s the start for a successful installation of the said tool on your Galaxy S2 I9100. Galaxy-S2-I9100

  1. Step one has the following advice for you: plug the handset to your laptop and copy the files in the pre-requisites to the phone’s SD card.
  2. The second step marks the jump to the following action: unplug the Galaxy S2 I9100.
  3. Now go to step number three and turn the phone off. You will soon need to restart the device into Recovery Mode. The method to do this hasn’t changed: you still have to select at the same time the keys labelled Home, Volume and Power to reach that certain mode.
  4. For step four your task will be that of making a full NANDroid backup using this guide. If you’re successful with that, then opt for Factory Reset/Wipe Data.
  5. The fifth step will ask you to initiate the installation process; to do that: wait for a screen to appear, then choose Yes. Then you will be required to perform the following: select Wipe Cache Partition and Wipe Dalvik Cache when you’ve returned to the phone’s ClockworkMod Recovery menu.
  6. The coast is clear now for another step, the sixth this time around: opt for Install zip from SD card.
  7. Select Choose zip from SD card and find the aokp_i9100_jb-mr1_build-4.zip archive.
  8. [sc name=”banner-jos”]To install it, step number eight will need you to press Power and then confirm; choose “Yes” for this to happen. After the file is installed, the Google Apps package needs to be installed, too. Just repeat steps six, seven and eight; the file is going to appear on the S2 I9100, too.
  9. For the ninth step, your phone will tell you to return to its main recovery menu. Once there, you will be prompted to do as follows: opt for Reboot System Now; the handset will start to do what’s been told.
  10. Your Samsung Galaxy S2 I9100 is now updated to the AOKP JB-MR1 Build 4 Android 4.2.2 Jelly Bean.