| | SIM card not recognized
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Hello, any help would be appreciated because I've been scouring the internet for solutions and can't find any help. Here goes:
I have a blackberry 8820 with TMobile as my carrier. I purchased the blackberry off ebay (it was unlocked and previously used with AT&T) and it has worked for the past several months just fine.
A few days ago I recieved the JVM error 102, after looking for solutions and none of them working, I just reinstalled the OS through the desktop manager (version 4.7).
Now the phone is able to start up and seemingly function properly, however: the phone has reverted to its original AT&T theme and it does not recognize my SIM card. The entire GUI is different than it was previously, and it is incapable of making any calls nor connecting to the T-Mobile network. I have not loosened any screws or otherwise made any modifications, and I've no clue what to do.
Tried putting another SIM in it and it didn't work. My SIM however does work in my old razr.
Any help would be appreciated.