Mate you could do easily according video tutorial anyway follow these steps:
1_ Choose your model and select usb as interface
2_Go to setting tab and tick mark on Sign mode and Full unlock instead of usercode
3_ Come back SonyEricsson tab press Unlock\Repair button and press C button of phone and inser usb cable
4-Now software will ask you to remove cable and insert a test sim or its original simcard and turn on phone in normal mode and inserst cable
5_ PC will asl driver and you must install driver from your models sign mode drivers folder(you can download it from support)
6_when drivers installed after some process software will ask you again to removethe cable and attach turn off phone by pressing C.
It was step by step unlocking process.
WBR |