How to remove the logo in the upper left corner of vivo mobile phone?

An icon with the pattern "vivo" appears in the upper left corner of the vivo phone, which appeared when the official website icon program of vivo notified the message.

Vivo mobile phone can drop down the notification bar, click on the left side of the message notification to slide and clear the message notification icon.

Specific operation steps (taking vivo X20 as an example):

1. Drop down the notification bar on the screen.

2. Slide left to clear the message notification icon.