A passcode is required to set up Touch ID, and Touch ID is automatically disabled after 48-hours until a passcode is input by an iPhone or iPad's owner.

Misremembering your iPhone passcode is a common problem. If you've been locked out of your device, you don't need to start over with a new one. You can regain access in minutes by logging onto ...

To access this option, go to Settings > Touch ID & Passcode. From there, you should see a “Passcode Options” tag that should let you pick a custom alphanumeric code for your iPhone.

A 4-digit iPhone passcode is about as insecure as it gets, and this black box can figure yours out in just a few days. So it's time to consider better security.

Here’s a look at the risks of using an iPhone passcode in public, how much power the passcode wields, and some steps to keep yourself safer. WSJ’s Joanna Stern has been hearing from victims ...

In March, researchers disclosed how an attacker could use Siri to bypass an iPhone’s passcode to access native iOS apps like Clock and Event Calendar. That vulnerability affected iOS 9.0, 9.1 ...

Without the passcode, an iPhone is only valuable to a thief if they can wipe the device and resell it in an illicit marketplace. With your passcode, the phone becomes infinitely more valuable to a ...

In the first article, they showed how a shoulder-surfing thief could discover a user’s passcode, steal their iPhone, and change their Apple ID password to disable Find My before making purchases with ...

How to Unlock an iPad Without a Passcode. Password-protecting an iPad you use for work is often necessary if the device contains confidential data about client projects or other sensitive ...