Huawei Mate 9 Guide De Démarrage Rapide page 6

Your phone at a glance
Before you start, let's take a look at your new phone.
Press and hold the power button to turn your phone on
or off.
To forcibly restart your phone, press and hold the
power button until your phone vibrates.
Secondary microphone 1
Headset connector
Laser sensor
Secondary
microphone 2
Dual-lens
camera
Dual-tone
flash
fingerprint
scanner
Primary
microphone 2
Earpiece
Primary microphone 1
2
Optical proximity
sensor
Infrared sensor
Status indicator
Front camera
Ambient light sensor
Volume button
Power button
USB-C port