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Lost cellular ability, what to try next?

OP FireRaider

17th May 2014, 10:31 PM   |  #1  
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So.... I bought a TMO Tab 10.1 and being a habitual rom flasher and tweaker I proceded to root and flash xxxx onto it the first day. Life was wonderful and everything worked fine.

But..... being a flash addict I couldn't leave well enough alone. I wanted more. I found this thread ( http://forum.xda-developers.com/show....php?t=1336659 ) and proceeded to attempt the appearingly simple task of unlocking the subsidy lock so I could throw my ATT sim in the tablet if I wanted to. Things went terribly wrong art this point.

I followed the instructions step by step and yet now I have no cellular connection at all. Everything else seems to be working fine though.
What I need from the geniuses here on XDA is some guidance on how to restore my cellular ability. I did copy over the EFS folder to another location so I do have an original back up, but I am unsure as to how that is supposed to help? I tried copying and replacing the hacked/ modified EFS folder with the original folder after I lost connection but it did not restore my connection.
What am I missing? Should I flash a new modem? Should I just Odin back to stock and start over? Will that recover my original EFS settings or am I hosed?
Any ideas or help would be appreciated immensely.
20th May 2014, 01:29 AM   |  #2  
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OP Senior Member
Flag Salt Lake City
Thanks Meter: 16
 
424 posts
Join Date:Joined: Apr 2008
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So in case anyone searches for this..... I used Odin and flashed back to the stock TMO 4.04 firmware that i got from sammobile.com. I got my signal bars back and seem to have a connection of some kind as my signal bars go up and down. I also threw in an ATT sim card and it didnt reject it or ask for a unlock code.
However.. and this is a big problem, I have that stupid generic IMEI number still. You know, the one that starts 004999 so now I have to fix that. TMO hates tablets with a generic IMEI number and doesnt seem to let them on their network. I do have a backup of my efs folder so it wont be impossible, just a hassle.
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