How to remove a circle on the screen of a mobile phone?

1. On the mobile phone desktop, there is a small circle on the left side of the screen.

2. Click "Settings" on the desktop.

3. Find "All Settings" to open it.

4. Locate the "Floating Button" item.

5. In this item, the function of "floating button" will be briefly introduced.

6. In the upper right corner of the interface, you can see that this function is turned on. Now you can turn it off.