the fingerprint icon in ambient display when
you tap your phone screen once.
You can set When to show:
Always-on ambient display.
This feature may cause additional battery
drain, but only a minimal percentage. This
feature will be disabled in battery saving
mode or when the battery level is lower than
5%.
You can set What to show:
Contextual info.
Fingerprint icon.
Display message.
New notifications.
Display & brightness
There are two modes here, including Light and
Dark mode.
You can choose the Auto switch, and the Dark
mode will replace Light mode at sunset.
Dark mode settings:
Go to Settings > Display & brightness >
Dark > Dark mode settings.
There are three different styles, including
enhanced, medium, and gentle.
You can make custom adjustments here,