Required files: Flashtool — Download link Firmwares — Download the “.ftf” firmware file for your phone. Below are the links: Android 2.3.4 [4.0.2.A.0.62] Download LT15i 4.0.2.A.0.62 Generic Global [Updated] Instructions: Switch off your phone and put it aside. Extract the “FlashTool_x.x.x.x.exe” file on your PC (you can just double click on it to extract) Few files and folders will be extracted — the two which we’ll be using are the ‘ drivers ‘ folder and the ‘ firmwares ‘ folder. Inside the ‘ drivers ‘ folder there’s a file named “ ggsetup-2.2.0.10 .exe”, double click on this file to install the proper driver on your PC. Now copy the “ .ftf ” firmware file that you downloaded for your phone, and paste it inside the “ firmwares ” folder. Double click the “ X10FlashTool.exe ” file. Once the program opens — click on the “ Flash ” button. You’ll see the firmware that you copied in Step 5 loaded on the screen — clic...
Its all about Android, Flashing Official and Custom Rom.