Add custom text to the lock screen of your iPhone, iPad or iPod Touch!
Step 1 Supervise your device if you haven't already.
Step 2 Download Siri Shortcuts from the App Store.
Step 3 Download the shortcut by tapping on the "GET" button above.
Step 4a Tap on "Add Shortcut" when prompted. You may need to scroll down in order to see the prompt.
Step 4b If you see the error "Custom Lock Screen Text Can't Be Opened", tap on "OK", then tap on "Gallery", add a shortcut from the gallery and run it.
Go to Settings>Shortcuts and turn on Allow Untrusted Shortcuts.
Step 5 Run the shortcut and and enter your custom message for the lock screen.
Step 6 Once the shortcut has finished, you will be redirected to Safari. When prompted, tap on "allow" and "close".
Step 7 Open the Settings app, then navigate to General>Profiles>Screen Time Bypass
Step 8 Tap on Install>Install again, then enter your Passcode if prompted. Tap on install one more time, then done.
Step 9 Now go to the lock screen, and you will see your custom message added!
Step 10 To remove the custom message, open the Settings app and go to General>Profiles>Custom Lock Screen Text and tap on “Remove Profile”