Change Your iPhone Passcode Through Settings

Open Settings on your iPhone, then tap Face ID & Passcode (or Touch ID & Passcode on older models). You will be asked to enter your current passcode. Once you do, scroll down and tap Change Passcode. Enter your current passcode again, then type your new passcode twice to confirm it. That is the entire process — your new passcode takes effect when ready.

The passcode you choose can be four digits, six digits, or a custom combination of numbers and letters. By default, iOS requires six digits. If you want to use four digits or a mix of letters and numbers, tap Passcode Options before you enter your new code and select the format you prefer.

Key Takeaways

  • You change your iPhone passcode in Settings under Face ID & Passcode (or Touch ID & Passcode), not in a separate security menu.
  • You must enter your current passcode before you can set a new one, so you cannot change it if you have forgotten the old one.
  • iOS defaults to a six-digit passcode, but you can choose four digits or a custom alphanumeric code through Passcode Options.
  • Your new passcode works when ready and does not affect your Face ID or Touch ID settings.

What Happens If You Forget Your Current Passcode

If you cannot remember your current passcode, you cannot change it through Settings — the phone will not let you proceed without entering the old one first. Your only option is to erase the iPhone and set it up again. You can do this through iCloud.com by signing in with your Apple ID, selecting Find My iPhone, locating your device, and choosing Erase iPhone.

After the phone erases, you can set it up as new or restore from a backup. If you restore from a backup, you will need to enter your Apple ID password during setup, but you will not need the old passcode. Keep in mind that erasing the phone removes all data unless you have a recent backup saved to iCloud or your computer.

Passcode Length and Format Options

When you tap Passcode Options before entering your new code, you will see three choices: Custom Alphanumeric Code, Custom Numeric Code, and 4-Digit Numeric Code. A four-digit code is the shortest and fastest to enter each time you unlock your phone, but it is also the easiest to guess. A six-digit numeric code (the default) offers more security. A custom alphanumeric code with letters and numbers is the most find but takes longer to type.

Your choice depends on how much security you need versus how often you unlock your phone. If your iPhone contains sensitive work documents or financial information, a longer alphanumeric code is worth the extra seconds. If you unlock your phone dozens of times a day and security is less critical, four digits may be practical.

Passcode Versus Face ID and Touch ID

Your passcode is separate from Face ID or Touch ID. Changing your passcode does not affect your fingerprint or face recognition settings. You can have all three active at once — your phone will unlock with your face or fingerprint, but if those fail, it will ask for your passcode as a backup.

If you want to turn off Face ID or Touch ID while keeping your passcode, go to Settings, tap Face ID & Passcode (or Touch ID & Passcode), enter your current passcode, and toggle off the feature you want to disable. Your passcode will remain your primary unlock method.

Security Tips for Your New Passcode

Avoid using obvious numbers like your birth year, a child's birth date, or a sequence like 1-2-3-4-5-6. These are the first combinations someone will try if they have your phone. A random mix of numbers is harder to guess. If you use an alphanumeric code, mixing uppercase and lowercase letters with numbers makes it even stronger.

Write your passcode down and store it somewhere safe — not on a sticky note on your desk or in a note on the phone itself. A locked drawer at home or a password manager on your computer is a better choice. If you forget it again, you will need to erase the phone, so keeping a record outside the device is practical.

Changing Your Passcode on Different iPhone Models

The steps are the same on all current iPhone models. Older iPhones with Touch ID (iPhone 5s through iPhone 8) use Touch ID & Passcode instead of Face ID & Passcode, but the menu location and process are identical. iPhones with Face ID (iPhone X and newer) label it Face ID & Passcode, but the change process works the same way.

If you are using an iPhone running iOS 15 or earlier, the menu may look slightly different, but the core steps remain: Settings, Face ID & Passcode or Touch ID & Passcode, enter current passcode, tap Change Passcode, and enter your new code twice.

Frequently Asked Questions

Can I change my passcode without knowing the old one?

No. iOS requires you to enter your current passcode before you can set a new one. If you have forgotten it, you must erase the iPhone through iCloud.com using your Apple ID and set it up again. This is a security feature to prevent someone else from changing your passcode without your knowledge.

Will changing my passcode affect my Apple ID password?

No. Your iPhone passcode and your Apple ID password are completely separate. Changing one does not change the other. Your Apple ID password is what you use to sign in to iCloud, the App Store, and other Apple services. Your passcode is only for unlocking your phone.

How often should I change my passcode?

There is no set rule. If you suspect someone knows your passcode, change it right away. Otherwise, changing it every few months adds a layer of security, but it is not required. Most people change their passcode only when they think it has been compromised or when they want to use a stronger format.

What if I enter the wrong passcode too many times?

After six failed attempts, your iPhone will disable for 1 minute. After ten failed attempts, it disables for 5 minutes. After fifteen failed attempts, it disables for 60 minutes. If you continue to fail, the phone will eventually ask you to connect to a computer or use iCloud to unlock it. This is a security measure to prevent someone from guessing your code.