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

To unlock your phone from Verizon, the phone must be 60 days past its purchase date and not flagged as lost or stolen.

The new Samsung Galaxy XR, the first Android XR headset, features a surprising, working bootloader unlocking option for developers.

Dial these secret short codes on your phone to unlock hidden settings, secret menus, and powerful features most users never discover.

Tricks like moving closer to a cell tower, charging your smartphone battery, or connecting to Wifi Calling can fix a bad phone signal in just a couple minutes.

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