The folks over at SamMobile have just leaked a new Ice Cream Sandwich based firmware for the Samsung Galaxy S2. The new leaked firmware (XXLPB) has the build date of 29th Jan, and does not contain any radical visual changes.
The XXLPB firmware is however, much more stable, than all the previous ICS firmware for the S2 that leaked. If you are wondering if you can use this ROM on a daily basis on your Galaxy S2, then the answer is a definite Yes!
Below are the steps to install the XXLPB leaked firmware to on your Samsung Galaxy S2 -:
The guide below and the leaked firmware are only for the I9100 variant of the Samsung Galaxy S2.
Your phone will be wiped clean of all data like Contacts, Apps etc., excluding the data on your SD card, if you install this leaked firmware.
Step 2: Start ODIN, and click on the ‘PDA’ button. Navigate to the new folder on your desktop, inside which you had extracted all the firmware related files and select the file with the following name “I9100_CODE_….ship.tar”.
Similarly, press the ‘PHONE’ and ‘CSC’ buttons and select the ‘MODEM_I9100XXLPB…tar” and ‘GT-I9100-MULTI-CSC…tar’ files, respectively.
Step 3: Switch off your Galaxy S2 and re-insert its battery. Now boot your Galaxy S2 in Download mode by pressing the Volume Down + Home + Power button simultaneously. Your phone will then show you a warning. Simply skip the warning by pressing the Volume Up button.
Step 4: Now, connect your Galaxy S2 to your PC. Once connected, ODIN will detect your phone and display a random COM:ID number inside a glowing yellow box. Simply press the Start button now, and wait for ODIN to flash the firmware on your phone.
When done, your phone will automatically reboot. You can then safely disconnect your phone from your PC. If you want root access, then download the CF-Root XXLPB kernel from this thread. Flash this tar file from ODIN by selecting it under PDA.
If you want to flash back to Gingerbread based ROM, download the same from the Firmware page on SamMobile and flash it via ODIN.