Want to try out official Android 4.1.2 Jelly Bean Firmware for Samsung Galaxy S II GT-I9100? Samsung just leaked Android 4.1 Jelly Bean XXLSJ Firmware for those Samsung Galaxy S2 users who love to try out beta ROM. Note – this is a test firmware from Samsung so it might have issues / bugs. Only install it if you know what you are doing. Or just wait for few weeks. You will get the actual official Android 4.1 Jelly Bean Firmware for Samsung Galaxy S2. And enjoy all the Jelly Bean features then…