One of the top methods to reutilize your old Android or iOS device is by configuring it to function as a mini router. You can utilize it as a Wi-Fi source in areas of your home with weak signals, as a specific guest network, or as a mobile router while on the go.
The greatest advantage is that there’s no need to download any elaborate third-party applications to turn your old phone into a router. The inbuilt hotspot function is sufficient. Here’s a brief guide on changing your old phone into a router.