What is the logo with similar information on Huawei mate9 screen, and how to get rid of it?

This is the floating navigation function in the mobile phone. The floating navigation can be set to operate the mobile phone quickly, which is a custom shortcut key.

You can turn off this feature by following these steps:

1. Open the phone and find "Settings" in the phone:

2. Open the settings and find "System":

3. Open the system and find "System Navigation":

4. Open the system navigation and find the "floating navigation" at the bottom:

5, click on the floating navigation, in the open page, click the button on the right to close the function: