Check mute mode
First, check whether the phone is in silent mode. If there is, turn it off quickly!
Restart the phone
Second, try to restart the phone. Press and hold the volume button to turn it on after shutdown to see if the sound is restored.
Sound setting adjustment
If it is not ready, then enter the sound setting adjustment. Take Huawei Glory 7 as an example: 1. Unlock the screen and press the volume button in the main interface. 2. Find the symbol in the red box, and then click Enter. 3. Did you find that the media volume was not fully turned on? Swipe right to maximize it!
Huawei after-sales service center
Finally, if all the above methods fail, take the mobile phone to Huawei's after-sales service center and let professionals help you detect and handle it.