Use the Phone app to input ...

Editorial Note: Talk Android may contain affiliate links on some articles. If you make a purchase through these links, we will earn a commission at no extra cost to you. Learn more. Ever wondered if ...

Tech pro ThioJoe walks through essential Android dialer codes that unlock hidden device menus and diagnostics features.

Do you know the USSD codes? What about “Android secret codes”? These are characters to type on your phone to access information, do tests or access hidden menus. Let's see what it is and how to use it ...