Have a Motorola phone? Want to make it more secure? This secret PIN Scramble feature lets you do precisely that.

How to set a longer PIN or password Every Android device is a little different, with Samsung taking a different approach from Google and so on.

Most people use predictable PINs that thieves try first. Find out which codes to avoid and what you should use to better protect your phone.

On an Android phone, you can set a SIM PIN, using the Settings menu. Tap the Settings app on your home screen, then tap to go to the "Security" or "Fingerprints and Security" submenu.