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.
CNET

Don't Remember Someone's Number? Here's How to Use T9 Dialing on iPhone Instead

I don't know my wife's phone number. If I needed to call her and I didn't have my iPhone, I wouldn't be able to reach her. And according to a poll by WhistleOut, I'm not alone. About 17% of ...
CyberGuy

iPhone and Android security settings to protect you

Secure your phone fast by using these iPhone and Android security settings to block hackers, guard your data, and protect ...

UNLEASH Your iPhone’s Full Potential With These APPS

Discover essential apps to unlock your iPhone’s full potential. Boost productivity, creativity, and organization with these ...

How to change or reset your iPad's passcode, even if you don't remember what the passcode is

To reset or change your iPad's passcode, you can use the "Passcode" menu in your Settings app, or reset the entire device.

How to set up Face ID on your iPhone to increase the security of your device and data

You can set up Face ID on an iPhone in just a few seconds in the "Face ID & Passcode" section of your phone's Settings app.