Configuring The Sound Settings
Adjusting the system volume Adjust the ringtone, media, alarm, and call volume to suit your needs.
1. Open 
Settings.
2. Touch Sound > Volume to adjust the ringtone, media, alarm, and call volume.
Enabling silent mode
Enable silent mode to avoid disturbing others in quiet surroundings, such as when you are in a meeting.
1. Open Settings.
2. Touch Sound and switch on Silent mode.
Vibrate in silent mode: When Silent mode is enabled and Vibrate in silent mode is switched on, your device will vibrate when you receive an incoming call or message.
Quickly switch between Silent mode, Vibration, Sound mode
Quickly switch between Silent mode, Vibration, Sound mode from the status bar.
Swipe down from the status bar and open the shortcuts tab. Touch 
to switch between Sound, Silent, and Vibration mode.
Setting the default notification tone
Choose a preset ringtone or a music file as the notification tone for messages, emails, and other notifications.
1. Open Settings.
2. Touch Sound > Default notification sound and choose a new notification Ringtone or a Music (on storage) file.
Configuring dialpad touch tones
1. Open Settings.
2. Touch Sound > Dialer touch tones and select Default, Melody or None.
Questions about your Huawei Mate 10? Post in the comments!
Huawei Mate 10 Manual [PDF]