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.

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?

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.

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.

Remove iCloud activation lock and Screen Time passcode. Remove Apple ID without password or sign out of it without losing data. Bypass MDM lock and profile without a passcode.

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.

You can lock apps on an iPhone with a passcode-protected time limit in Screen Time. Here's how to do it.