IPhone 4s Low Signal
IPhone 4s Netwok Ways Jumper
This is the IPhone 4s Solution for no network weak signal problem. The solution below provides the connection line paths of the network IPhone 4s PCB board.
I have marked IPhone 4s antenna connector ways jumpers points in this this article. There is not a lot to explain here this solution is pretty self explanatory just make the jumpers shown in the image in case of no network also make sure the antenna is properly connected to it’s connector points. Good Luck
If you want help with dissembling your phone see this video How To Dissemble Guide
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