iOS 17: How to Set Up a 4-Digit Passcode on Your iPhone

Are you tired of always typing in a long passcode on your iPhone? With iOS 17, you can now set a 4-digit passcode! It’s quick, easy, and adds an extra layer of security to your device. Here’s how you can do it in just a few steps.

You can also watch this video about how to set up a 4 digit passcode on your iPhone for more information.

How to Use a 4-Digit Passcode on iPhone with iOS 17

Setting a 4-digit passcode on your iPhone with iOS 17 is a breeze. Just follow the steps below, and you’ll have a new passcode in no time.

Step 1: Open Settings

Open the Settings app on your iPhone.

The Settings app is your control center for everything on your iPhone. By opening it, you’re on your way to updating your passcode.

Step 2: Tap on ‘Face ID & Passcode’ or ‘Touch ID & Passcode’

Select the ‘Face ID & Passcode’ or ‘Touch ID & Passcode’ option, depending on your iPhone model.

This step is crucial as it takes you directly to the security settings where you can manage your passcode.

Step 3: Enter Your Current Passcode

Type in your current passcode to access the passcode settings.

This step is for your security. It ensures that only you, the owner of the phone, can make changes to the passcode.

Step 4: Tap on ‘Change Passcode’

Find and select the ‘Change Passcode’ option.

This is the option that will allow you to set a new passcode for your device.

Step 5: Enter Your New 4-Digit Passcode

When prompted, enter the new 4-digit passcode you would like to use.

Choose a passcode that’s easy for you to remember but hard for others to guess.

Once you’ve completed these steps, your iPhone will now be secured with a new 4-digit passcode. This means that whenever you want to unlock your phone, you’ll just need to enter this 4-digit code. It’s that simple!

Tips for Using a 4-Digit Passcode on iPhone

  • Make sure your passcode is unique and not something easily guessed, like “1234” or “0000.”
  • Avoid using common numbers like your birthdate or year as your passcode.
  • Change your passcode regularly to enhance security.
  • Remember your passcode, or keep it written down in a secure place.
  • If you forget your passcode, you may need to reset your iPhone, so it’s important to remember it.

Frequently Asked Questions

What if I forget my new 4-digit passcode?

If you forget your passcode, you may need to erase your iPhone and set it up again.

Can I still use Face ID or Touch ID with a 4-digit passcode?

Yes, you can still use Face ID or Touch ID in conjunction with your 4-digit passcode for added security.

Is a 4-digit passcode secure enough?

A 4-digit passcode is secure if you choose a unique code and change it regularly. However, for enhanced security, consider a longer passcode.

How often should I change my 4-digit passcode?

It’s a good practice to change your passcode every few months or if you suspect someone else knows it.

Can I switch back to a longer passcode if I want to?

Yes, you can always go back to a longer passcode by following similar steps in the ‘Face ID & Passcode’ or ‘Touch ID & Passcode’ settings.


  1. Open Settings
  2. Tap ‘Face ID & Passcode’ or ‘Touch ID & Passcode’
  3. Enter your current passcode
  4. Tap ‘Change Passcode’
  5. Enter a new 4-digit passcode


Setting up a 4-digit passcode on your iPhone with iOS 17 is a straightforward process that can significantly increase the security of your device. It’s a small step that can prevent unauthorized access and give you peace of mind. Remember, while a 4-digit passcode is convenient, the security of your device ultimately depends on the complexity of the code you choose and how often you change it. So, pick a good one and stay safe out there! If you ever find yourself forgetting your passcode or needing to update it, simply revisit these steps. Happy locking!

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