1. Take A5 as an example. This needs to be set in the lock screen. After turning on the phone, find the system settings and click Open.

2. After entering the setting interface, find the screen lock, password and fingerprint options, and click Open.

3. Next, locate and click the Advanced Settings option.

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

5. You can see that the signature information displayed on the lock screen is turned off by default. Let's click to open 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, let the phone enter the lock screen state, so that you can see the text just edited.