You should reset your Android device and erase all of your personal data before you sell it, trade it in, or give it away.

You can reset the network settings on your Android phone or tablet by heading to your device's Settings app.

As new smartphones hit the market, people are looking to offload their outdated devices more frequently than ever before. When selling an old phone, the standard procedure is to restore the device to ...

Much as with Google Chrome, you can clear the cache from within the Mozilla Firefox Android app. To access this function, tap ...