Flashing is a process whereby devices from computers to mobiles have their core firmware updated. The process is vital for solving serious problems but it?s also risky so it?s best done with official software. For Sony Xperia mobile users the Sony Mobile Flasher program is ideal for this task. You just connect your device and follow a set of instructions to flash your device and update its core programming. This Flash tool for Xperia devices is best used by people with developing knowledge and the software still does not support all Xperia models.