Own Smart 9 Pro - Learn About The Phone; Overview of Phone Components; Function Keys Explanation

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2.
Learn about the phone
Overview
1 Infrared Lamp 9 Rear Camera 1
2 Light Sensor 10 Rear Camera 2
3 Receiver 11 Flash lamp
4 Front Camera 12 Card tray
5 Infrared Camera 13 Fingerprint Sensor
6 Volume key 14 Speaker
7 Screen Lock / Power Key 15 Microphone
8 Type-C port
Function Keys
Keys Functions
Screen Lock /
Power Key
 Press to turn on/off the screen.
 Press and hold to reboot, power off the phone, and turn
on
airplane mode or silent.
Volume Key
 Press to adjust the volume of device.
Multi Task Key
(on the screen)
 Tap to open the list of recently used apps.
 Click the circle button to clean all of recently used apps.
Home Key
(on the screen)
 Tap to return to Home screen.
 Long press to access Google™ search.
Back Key
(on the screen)
 Tap to return to the previous screen.