Wifi connects your device to the internet, and it’s mainly used when you are away from home. It’s a way to connect a device to the internet wirelessly, as long as the device is in close range to the ...
A retired Android phone can easily be brought back into action as a Wi-Fi extender, helping you get rid of weak signal areas.
How to turn your old Android phone into a Wi-Fi extender - and fix dead spots at home ...