The lock screen on iOS devices like iPad and iPhone ... that this is indeed a security vulnerability. If you forget your passcode you can simply restore the device to remove it.
Enter a six-digit passcode that you'll enter whenever you want to unlock your phone ... remaining and has access to a phone signal. The lock screen also displays a message of your choice ...
This allows you to choose any app on your iPhone and open it right from your lock screen, even if it's not a listed control. You still have to unlock your iPhone to access the app, but it makes it ...
Unlock your iPhone and launch the Settings ... set up a Screen Time password — this can be different from your lock screen password, and is four digits long. Tap "Use Screen Time Passcode ...