Your face makes for a very good security check, but your passcode remains a weak spot. Here's how to change it to keep your iPhone data safe by changing your lock screen passcode.

You might set up Screen Time to put a bar in front of yourself from spending too much time on apps. What if you forget its passcode?

If you aren't sure you entered your Apple ID and password when setting up Screen Time on your own device, reset it this moment.

This step by step guide with screenshots covers how to change your iPhone passcode, skip Face ID to enter passcode, and change auto-lock settings.

To change your restrictions passcode on an iPhone, you'll need to go into your Settings. Where you go from there depends on your iOS version.

Any time you try to change the settings, or get more time on apps past the limit, you’ll have to enter the passcode. To set one, scroll down from Screen Time, select “Use Screen Time Passcode ...

Swipe down on the Face ID & Passcode screen and tap Change Passcode. You can tap Passcode Options just above the keypad if you’d like to use a custom alphanumeric code or a four-digit code.

Or, you can turn off using a passcode entirely if you wish by tapping Change Screen Time Passcode > Turn Off Screen Time Passcode. Then, enter your passcode to have it turned off.

Screen Time also serves as a parental control system, since it can be used to place restrictions on what a child can access, who they can contact, and how long they spend on apps, websites, and more.

3. In the Screen Time menu, select App Limits. If you have a Screen Time passcode set, you'll need to enter it to access the App Limits page. Tap "App Limits" to set limits for certain apps.