Share your experience!
I have Sony Xperia Dual C 2004 i have Some Problems Error on my Screen
( Launcher Loading Both times Hanging Phone And Not Working another Functions )
@ankitbhadrecha
What if you boot on safe mode, do you experience the same?
You can also repair the phone with PCC to narrow down the problem.
software repair
PC Companion (PCC)
Bridge (for Mac)
Alternatives on How to backup Xperias
http://talk.sonymobile.com/thread/36355