I used 14 secret codes to unlock menus of settings on my iPhone and Android - how it works

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

I used 14 secret codes to unlock menus of settings on my iPhone and Android - how it works
Dial these secret short codes on your phone to unlock hidden settings, secret menus, and powerful features most users never discover.