Problem phenomenon:
The floating accessibility icon is constantly visible on the Home screen.
Causes:
The accessibility shortcut has been activated, which causes the accessibility button to display the floating icon on the screen.
Solution:
The floating icon is a shortcut to enable accessibility buttons and is not a system issue.
Here's the path to disable it:
realme UI 6.0 : Settings > Accessibility & convenience > Accessibility > Accessibility menu.
realme UI 5.0 & 4.0: Settings > Additional settings > Accessibility > Accessibility menu > turn off Shortcut
realme UI 3.0: Settings > System settings > Accessibility > Accessibility menu > turn off Shortcut