Instructions

Go to "Settings" > "Sound & Vibration" > "System Feedback".
 Dial-Pad Tone
 Touch Sounds
 Lock Screen Tone
 Vibrate on Touch
 Screenshot Sound
 Fingerprint Animation Sound
 Deletion Sound
Dolby Atmos
Dolby Atmos is activated by default, you can choose to turn it off when your device is
connected to an earphone.
Besides Smart mode, there are Movie, Gaming and Music modes for you to choose
according to use scenarios.
Go to "Settings" > "Sound & Vibration" > "Dolby Atmos".