Configuring the Message Ringtone
1. Open Messaging.
2. In the list of message threads, touch > Settings > Ringtones and vibration.
3. Touch Notification tone. If your device has dual SIM support, select SIM 1 notification tone or SIM 2 notification tone. You can then choose a system ringtone or music file.
Questions about your Huawei Mate 10? Post in the comments!
Huawei Mate 10 Manual [PDF]