Share your experience!
Could you elaborate? what do you mean by "poor quality videos?
btw, one thread its more than enough.
Repair your phone with SUS or PCC if that doesn't work, take it to a Sony repair center
Update Service (SUS)
http://www.sonymobile.com/gb/tools/update-service/
http://www-support-downloads.sonymobile.com/Software%20Downloads/Update_Service_Setup-2.11.12.5.exe
Bridge (for Mac)
Alternatives on How to backup Xperias
http://talk.sonymobile.com/thread/36355
Don't forget to give Kudos