Ram Boost; System Updates; About Phone - OnePlus 9 User Manual

 Guest: Tap to switch to guest mode, and limit
calls and some
enable/disable the Turn on phone calls by
tapping the settings icon to the right of the
Guest.
 Add user: Share the device with other people
by creating additional users.

RAM boost

By learning the usage of the device, RAM Boost
can predict apps to launch and data to load,
taking full advantage of the RAM capacity to
speed up the daily performance.

System updates

features. You can
Update the system through OTA. Refer to
"System updates" for details.
Power off
Tap to shut down the device.

About phone

View basic phone information, system version,
and more in the About phone option.
 Device name: Tap to edit the device name.
 Android version: This shows the Android
version.
 Build number: This shows the software
version of the phone.
59