If your Android phone is misbehaving, crashing frequently, freezing, restarting randomly, or lagging significantly, it's likely that a third-party application is the culprit. Even if you are cautious ...

You can block or unblock a number on an Android phone using the built-in Phone app's "Blocked numbers" menu.

Learn the simple, free steps you can take right now to boost your Android's performance and improve its battery life.