How to fix weak Wifi signals?
I recently fixed my iPhone and after testing everything I noticed that my Wifi barley works, even when I'm in the room with the router. I put on a leather back instead of the glass back, but even without a back, or with the glass back, the wifi is still weak. I have tried the freezer trick and reset the iPhone, but to no avail. I suspect the problem may be with the one 2.7 mm Phillips screw on the Logic Board Cover.
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