1. jwalter007's Avatar
    I recently tried to upgrade to the latest jelly bean OS using the slim_G rom.
    Everything went well until I tested the actual cell part of the phone. i was getting no AT&T signal. I assume that was because AT&T doesnt support Jelly Bean.
    So I removed the ROM & in the process I ran into some problems. The phone would say failed to mount /dbdata file....
    After a while it eventually stopped working completely.
    I have a new one arriving today.
    I still want to upgrade because all ATT supports is gingerbread 2.3.

    Can anyone recommend the upgrade rom that work with AT&T & possibly explain what might have happened to the old phone?
    10-09-2012 10:29 AM
  2. Cranky's Avatar
    Sounds like you didn't follow the proper steps. Like installing ICS first and possibly removing an external SD card.

    To return to stock GB Click Here

    Sounds like your IMEI may have gotten messed up. Did you back up your EFS folder per the OP for installing JB?

    10-19-2012 09:22 PM

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