If your Samsung Galaxy S10 is acting strange, here's how to "soft" reset your Galaxy, turning it off and on, or reset it to its factory settings.

You can unlock your Android phone even if you've forgotten the passcode, but you'll usually need to factory reset the phone.

If you're in the market for a new phone, you have tons of great options. But what do you do with the old one? Here's how to get it ready for recycling, selling, or trading in—safely and securely.