AT&T CM10.1 Problem.

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http://forum.xda-developers.com – Hey all, I'm running cm10.1 with v3 of the gsm fix. I've tried 2 different sims and neither will register on the network. Am I missing something I need to do to get this to work? I've got the APN's in and I can see 3 att mobile networks but when I select one it just tries to register and fails? Any ideas? Sent from my XT907 using Tapatalk 4 Beta (HowTos)