Quick Question - Can Sony Xperia U be unlocked to all networks?

[TheSyntaX]

Hey, need answer to this within next 10 mins, quickly please.
Can Sony Xperia U be unlocked to all networks?

[tratzzz]

Probably, but the U has some terrible problems, like not receiving any calls.

[TheSyntaX]

[QUOTE=tratzzz;40132278]Probably, but the U has some terrible problems, like not receiving any calls.[/QUOTE]

How so?

[tratzzz]

[QUOTE=arleitiss;40132284]How so?[/QUOTE]

The phone doesn't recognize the call. Or reports it as offline etc.

Just google the Xperia U. Plenty of answers about that, also know 2 owners who have that problem.