Vivo X9Plus mobile phone has no screen nickname setting. If you need to set the screen lock nickname, you can refer to the following steps to set the screen lock nickname:

First, enter the I theme-My-Local Lock Screen, and set the lock screen style of the mobile phone to "light and simple";

Specific operation steps:

1, click the I theme on the standby desktop.

2. mine

3, local lock screen

Step 4 choose "light and simple"

2. In the lock screen interface, click the lock screen avatar to slide down, click the "+"sign in the pop-up interface, edit the nickname and personalized signature, select the color, and finally save.

Specific operation steps:

1. In the lock screen bright screen interface, click the lock screen avatar slide.

2. Click the "+"sign.

3. Click on the nickname to edit, and click "Save".

Note: The screen lock nickname can be edited up to 6 characters.