In order to improve your Samsung Galaxy S2 you have to install Thunderbolt Jelly Bean Rom which is another great Custom Rom for your device. It it based on Android Jelly Bean 4.1.2 and you can chose from 5 different launchers: Apex, Nova, Stock Jelly Bean, TouchWiz UX, or Experia Launcher. Other good feature of… Continue reading Install Thunderbolt Jelly Bean Rom On Samsung Galaxy S2 I9100[HOW TO]