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i brough 4G z Ultra today, but use 3g z Ultra b4, and have to back up 3g Z Ultra by Sony Bridge for Mac, but when i connect the 4G ultra to Bridge for mac, but Bride for mac cannot recognized 3G data, so what can i recover the 3g z ultra to 4G ultra????? pls reply!!!!!!
This should help
Alternatives on How to backup Xperias
http://talk.sonymobile.com/thread/36355
Don't forget the Kudos