Having an alphanumeric passcode is a great way to complicate your password more and prevent hackers from guessing it, because it uses both letters and numbers. Here's how to set it up.

Users can also set up a longer, alphanumeric passcode that's harder for bad actors to figure out. Device owners should also change the passcode immediately if they believe someone else has seen it.

Users can also set up a longer, alphanumeric passcode that's harder for bad actors to figure out. Device owners should also change the passcode immediately if they believe someone else has seen it.

Users can also set up a longer, alphanumeric passcode that's harder for bad actors to figure out. Device owners should also change the passcode immediately if they believe someone else has seen it.

It requires a criminal essentially watching an iPhone user enter the device’s passcode — for example, by looking over their shoulder at a bar or sporting event — or manipulating the device ...

Another method is to create a lengthy alphanumeric passcode that is more difficult for a would-be thief to figure out. To update your passcode to include both letters and numbers, go to Settings ...

Your iPhone's passcode is the first line of defense when it comes to protecting your private data. Here's how to set up a stronger one than ...

If you’re using an alphanumeric passcode alongside your phone’s biometric security you won’t need to enter a long password each time you unlock your phone.

Most people use a 4- or 6-digit numeric passcode to lock their phone for convenience, but you can optionally enter a longer numeric passcode or a full alphanumeric password if you prefer.

For best protection, Callahan recommends choosing an arbitrary-length, alphanumeric passcode. Ideally, this passcode should be 15 characters (at least) in length and not used anywhere else.

Users can also set up a longer, alphanumeric passcode that's harder for bad actors to figure out. Device owners should also change the passcode immediately if they believe someone else has seen it.