Want to use one thumb to navigate your phone? Turn on One-handed mode.
This mode is only available if you're using Gesture navigation.
Choose what should happen when you swipe down:
Swipe down near the bottom edge of the screen. Or tap
if you turned on the shortcut.

To exit this view:
To see notifications and quick settings, swipe down from the bottom edge of the phone once or tap
once.
To see all quick settings, swipe down from the bottom edge of the phone twice or tap
twice.
If you want to remove
but still be able to swipe down near the bottom edge of the screen, go to Settings > Gestures > One-handed mode and turn One-handed mode shortcut off
.
To turn off the gesture and remove
: