Oppo phones can set the lock screen text, and most mainstream Android phones have this function.

Setting method: unlock the phone screen, open the phone settings, enter personal and security, and select the owner information in the security settings. Add text to display owner information on the lock screen. As shown in the figure below:

The owner's information can be set to your favorite words, or the owner's name and other contact information. If the mobile phone is lost, the owner can see the owner's information after finding it, and there is a certain probability to get it back.