How I used an old Android phone to fix my Wi-Fi

If you happen to have an old Android phone lying around in a drawer or closet, the good news is that it doesn't have to live there in perpetuity. There are countless ways to repurpose an old smartphone, all of which can breathe new life into that long-forgotten mobile pal of yours.

Source : https://www.pocket-lint.com/how-to-turn-an-old-android-phone-into-a-wi-fi-extender/