Why my phone has weak gsm signal?
I followed the guide to change display with frame. Now I notice that my phone has problems to receive gsm signal, above all when it’s indoor. Looking the old frame, I see that there are some little pieces of conductive tapes in precise points
Maybe thes points are useful to connect motherboard to ground?
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My mobile huawei p8lite 4g not work only 2g work problem
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