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

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.

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.

Some custom ROMs let you erase the entire phone by typing a special PIN. That's too drastic. A decoy setup would benefit more ...

If you have an Apple or an Android phone—and you probably do—you have the option of locking your phone using a PIN code. With most of these phones, you can choose a four-digit PIN or a six ...