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I recently purchased the handset from the US and currently using it in Vodafone (India) . I upgraded the firmware to 4.1.2 it was working fine and then all of a sudden I am not able to connect to any mobile network.

My IMEI number / Baseband version all say unknown

Is there anybody facing the same problem? Any tips to troubleshoot this problem?

Thanks

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Connect the thing to a pc with usb and do adb logcat (maybe you need the sdk before). –  ott-- Nov 3 '12 at 19:10
    
Thanks, I am not sure how but after a battery pull and a reset to factory default settings, it seems to be working again! –  Vinay Nov 5 '12 at 4:03
    
Something in your settings probably got messed up. BTW: You might want to add this as answer, so other "searchers" easily see there is a solution. –  Izzy Mar 21 '13 at 14:35

1 Answer 1

(Per originator in comments:)

Pulled battery and also did factory reset. All now works.

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