iPhone 5s Wifi Not Working Problem Repair Solution
Problems
Wi-Fi not working.
Wi-Fi device not found by the phone.
Wi-Fi option is disabled (Grayed out, which means that you cannot toggle between ON / OFF).
Data Packets are not transferring.
Connected but no signals.
Hardware Solution
The very first thing that you need to do is to find any traces of water or moisture on your motherboard, if there are then clean it properly and check.
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