Alert Slider - OnePlus 5T User Manual

Alert Slider

The Alert Slider, which is located on the upper edge of your phone, gives
you complete control over your notifications. Effortlessly toggle between 3
notification profiles without having to take your phone out of your pocket.
With the OnePlus 5T, switching between notification profiles is faster and
easier than ever before.
7 | What's in the Box Device OxygenOS Safety Information
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None
Disables all notifications
(alarms will still be enabled)
Priority
Pushes notifications only from your priority
apps and contacts
(which you can program in Settings > Sound
& notification > App notifications)
All
Allows notifications from all apps and
contacts.