download a copy off se tool light
Flash your phone and How to apply or remove patch using SETool 2 Lite - Top Sony Forums
make sure u instail the flash usb driver hold the 2 button on ur phone and not the c button for ur phone then post a log up with out a imei no if the 2 button doesnt work try the 2 and * on ur phone all will be clear after u read this tut ^^^