1. Taking Xiaomi 8 as an example, this needs to be set in the lock screen. After opening the phone, find the system settings and click to open.

2. After entering the settings interface, find the lock screen, password and fingerprint options and click to open.

3. Next, find and click on the advanced settings option.

4. Click the lock screen signature function in the advanced settings.

5. You can see that displaying signature information on the lock screen is turned off by default. We click to turn on this function.

6. After opening, you can enter the lock screen signature below, and then click √ in the upper right corner to save.

7. After setting up, let the phone enter the lock screen state, so that you can see the text you just edited.