Huawei mobile phone lock screen signature, you can add text to the lock screen. Taking Huawei G9 mobile phone as an example, the operation steps are as follows:

1. In the setting interface of the mobile phone, find the lock screen and password options of the mobile phone, and click Enter.

2. In the screen lock and password interface, click the screen lock signature at the bottom.

3. Edit the lock screen signature and save to complete the operation.

4. Lock the screen to display the renderings.