How do I replace signal antenna?
I have a samsung S4 that keeps dropping signal so I want to replace the signal antenna. Where is this and how do I replace it?
Once you obtain your replacement antenna, you can follow this guide in order to gain access to the motherboard and USB Board, here you can see the blue signal antenna running from the USB Board up along the right side of the battery to the motherboard. Then you can simply disconnect the old one and attach the new part.
What about the antenna for call signal strength and not wifi? I have full signal strength for wifi but call signal strength about 2 asu ( -109 dBm) - an identical phone on the same network has much better reception so i conclude the issue is the antenna - any ideas on how to resolve this issue?
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