Share your experience!
try to repair the phone with Pc Companion . hope u solve this problem
@Makaveli78
repair the phone with XC and report back
Xperia Companion (XC)
Software Repair Guide
Alternatives on How to backup Xperias
http://talk.sonymobile.com/thread/36355
Here is the Xperia Companion repair instructions.
Xperia Companion