Just came back to twiz after using CM11 for a couple weeks. Odin to 4.1.2 then flashed 4.3 with twrp recovery. Right now I have an IMEI number, but no internet access, no bluetooth mac address and obviously no ip address. Wifi works perfectly, tried removing sim and restarting and all that. Wondering what I can do to fix this? Odin again? Also when I try to access mobile networks under connections, it shows a error "insert sim card to access netowork services"
Your APNs could be faulty. Better Do Factory Reset in Recovery then wipe Dalvik + Cache then re-flash your CM again. First thing to do after that is check your Access Point Names in Settings >Advanced > Access Point Name
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