The quickest way to change your passcode

Open Settings on your iPhone, then tap Face ID & Passcode (or Touch ID & Passcode on older models). You'll be asked to enter your current passcode. After that, tap Change Passcode near the bottom of the screen, enter your old passcode one more time, then type your new passcode twice to confirm it. The whole process takes about two minutes.

If you've forgotten your current passcode, you cannot change it through Settings — you'll need to erase the phone and set it up again, which means restoring from a backup or starting fresh. That's why writing down your passcode somewhere safe (not on a sticky note on your desk) matters before you forget it.

Key Takeaways

  • You can change your passcode anytime through Settings by entering your current passcode first, then your new one twice.
  • A passcode can be four digits, six digits, or a mix of numbers and letters — you choose the length when you set it.
  • If you forget your passcode, there is no way to recover it; you must erase the phone and restore from backup or set it up as new.
  • Changing your passcode does not affect your Apple ID password, iCloud backup, or any apps on your phone.

Where to find the passcode settings

Open the Settings app (the gray icon with gears). Scroll down and look for Face ID & Passcode if you have a newer iPhone with face recognition, or Touch ID & Passcode if your phone has a fingerprint sensor. Tap whichever one appears. The phone will ask you to enter your current passcode right away — this is a security step to make sure you're the owner.

Once you're in, you'll see a list of options. Scroll down until you see Change Passcode. That's the button you need. Don't confuse it with Turn Passcode Off (which removes the passcode entirely) or Turn On Passcode (which only appears if you don't have one set).

Entering your old and new passcodes

When you tap Change Passcode, the phone asks for your current passcode first. Type it in carefully — if you get it wrong, you'll see an error and have to try again. After three wrong attempts, there's a delay before you can try again.

Once your old passcode is accepted, the screen changes to ask for your new passcode. Type it in, then tap Next or Continue (the button name varies by iOS version). The phone will ask you to type the new passcode again to make sure you didn't make a typo. If both entries match, you're done — the new passcode is active when ready.

Choosing between four digits, six digits, or custom

When you first set up your iPhone, Apple defaults to a six-digit passcode. But when you change it, you can pick a different length. After you tap Change Passcode and enter your old one, look for options at the top of the screen or in a menu — the exact location depends on your iOS version, but it's usually labeled Passcode Options or similar.

A four-digit passcode is faster to type but easier to guess. A six-digit passcode is the middle ground. A custom passcode can include letters and numbers and is the hardest to crack, but also the hardest to remember. Pick whichever you'll actually remember — a passcode you forget is useless.

What happens if you forget your passcode

If you enter the wrong passcode too many times, the iPhone locks you out temporarily, then for longer periods. After many failed attempts, the phone displays a message saying it's disabled and tells you to try again later. Eventually, after enough wrong attempts, the only option is to erase the phone entirely.

There is no backdoor, no recovery code, and no way for Apple support to unlock it for you. If you forget your passcode, you must erase the phone using a computer with Finder (Mac) or iTunes (Windows), then set it up again. You can restore your data from an iCloud backup or a computer backup if you made one, but the process takes time. This is why keeping your passcode written down somewhere safe — not in your phone, not in an email, but in a physical location only you know — is worth doing now.

Passcode versus Apple ID password

Your passcode and your Apple ID password are two separate things. The passcode unlocks your phone. Your Apple ID password unlocks your Apple account, which controls iCloud, the App Store, and other Apple services. Changing one does not change the other.

If you want to change your Apple ID password instead, go to Settings, tap your name at the top, then tap Password & Security, then Change Password. That's a different process and requires your current Apple ID password, not your phone passcode.

What stays the same after you change your passcode

Changing your passcode does not affect anything else on your phone. Your apps, photos, messages, and settings all stay exactly as they are. Your iCloud backup continues to work. Your Face ID or Touch ID still works the same way. Any apps that use biometric unlock (like your banking app) continue to work.

The only thing that changes is the number or code you type in when Face ID or Touch ID fails or when the phone asks you to enter it for security reasons. Everything else on the phone remains untouched.

Frequently Asked Questions

Can I change my passcode without knowing my current one?

No. If you've forgotten your current passcode, you cannot change it through Settings. You must erase the phone using a computer with Finder or iTunes, then set it up again. You can restore your data from a backup if you have one.

Will changing my passcode log me out of apps?

No. Changing your passcode does not log you out of any apps or services. Apps that use Face ID or Touch ID will continue to work the same way. You won't need to sign in again anywhere.

What's the difference between a passcode and a PIN?

A PIN is a type of passcode — specifically, one that uses only numbers. Your iPhone passcode can be four digits, six digits, or a custom mix of letters and numbers. So all PINs are passcodes, but not all passcodes are PINs.

If I change my passcode, will my iCloud backup change?

No. Your iCloud backup is tied to your Apple ID, not your passcode. Changing your passcode does not affect your backup, and you can still restore from it if you need to set up your phone again.

How often should I change my passcode?

There's no rule that says you must change it regularly. Change it if you think someone knows it, if you've used it on a shared device, or if you just want to. Otherwise, a strong passcode you don't share stays find indefinitely.