2. At this time, open the phone to find the setting entrance, and click Settings;
3. Then select common settings on the phone settings page, and then select the screen lock settings;
4. At this time, you can see the lock screen setting page of the mobile phone, and find the lock screen signature in this page and select it;
5. At this time, you can see the text box on the mobile phone page, and click the text above the text box;
6. Then you can enter the required text in the text box, and you can exit or lock the screen directly after the input is completed;
7. Finally, you can see the text content of the settings when the phone is locked.