Apple iPhone 5s is not only a Smartphone that people use to make or receive calls or to do text messages, it is also the device that people prefer when it comes to the usage of internet, and this is mainly because it is a device that people can take with them easily and whenever they want.
iPhone 5s Wi-Fi is not working or giving you problems then it is surely very important for you to fix it in first place, as you won’t be able to enjoy most of the features that are associated with the internet in one way or the other.
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.
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.
If your Wi-Fi is not catching signals or if the packets are not transferring then all you have to do is to re-solder antenna connector and check.
If your Wi-Fi option is grayed out (disabled) then it means your entire Network section is inactive or disabled. Gently heat Wi-Fi IC and check.
In case heating doesn’t get the job right for you then you need to replace your Wi-Fi IC.
Most of the people really don’t need to go with hardware solution, as most of the times the above mentioned quick fixes are able to resolve the Bluetooth and Wi-Fi issues. Just in case if you are not able to resolve your Bluetooth and Wi-Fi problem via above mentioned methods, then all you have to do is to follow the steps.