How-To Geek on MSN

Unlock hidden phone features with these secret codes

Discover the secret world of USSD codes that unlock hidden menus, features, and quick access to phone information on your Android device. Test these codes at your own risk, but be aware that any given ...
The Droid Guy

22 Android Secret Security Codes You Need To Know

This code displays the IMEI (International Mobile Equipment Identity) number of your Android phone, a unique identifier essential for identifying your device. This code shows the Specific Absorption ...