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Iam sure since ive JB my 3G 3.1.2 with blackra1n my reciption seems to drop a fair bit, anyone have any idea why? :confused:

I've had the same problem the service just literally drops and goes to no service anyone have any idea what to do?
 
Same issue here. Quite annoying when using tethering too - something seems to crash (when the phone looses signal, a quick check in the menus shows stuff like bluetooth as being unavailable as well).
 
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