how to add text to lock screen to iphone
how can I add text to a lock screen
Question marked as
Update:
For a lock screen in particular, see Create a custom iPhone Lock Screen - Apple Support
You may still need to add your text to the image in an image editor, and then use the image as your lock screen image.
If you are doing this in case your device is lost you may also wish to note: Use the Find My app to locate a missing device or item - Apple Support
"What happens if you activate Mark As Lost
Mark as Lost remotely locks your missing iPhone, iPad, iPod touch, or Mac with a passcode, keeping your information secure even if your device goes missing. You can also display a custom message with your phone number on the Lock screen, and keep track of your device's location."