How to fix iphone 4 gsm greyed Wi-Fi and unavalable bluetooth?

Hey guys my iphone 4 gsm is jailbroken and when it wasn't i couldnt set it up and i went to apple store they told me it was stolen which it wasn't cause i sent it overseas now that i jailbroke it thw Wi-Fi and bluetooth is unavalible and when i put a sim card in it say searching for the whole time my ios is 6.1.3 iphone 4 gsm and i tried restoing it and still didn't work

i need help please!

I would find another ios firmware and flash it with that, I've had similar issues with Android roms where there's no cell signal or Wi-Fi doesn't work. Try another firmware download from somewhere else, it shouldn't be hardware related if it worked before.

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