If you have an old Android device lying around your house gathering dust, there are multiple ways to repurpose it—including turning it into a webcam or a dedicated smart home controller. One option that’s perhaps less obvious, however, is saving your house from wifi dead zones. Those of you who have spots in your home where wifi struggles to reach will know the frustration here: Once you leave the wifi’s range, you’re suddenly cut off from messages, media, and the news, but an old Android phone can help.
Android phones can access wifi networks of course, but they can also act as hotspots for these same networks. With some careful positioning, it’s possible to turn an old phone into a wifi extender (or wifi repeater), a device that re-broadcasts a wifi signal to extend its range. Repeaters can’t improve the speed of the signal they receive, but they can extend it,
...Keep reading this article on Life Hacker.
