How is it that the mobile phone receives a short message without a message prompt? How to solve this situation?

There is no message prompt tone when the mobile phone receives the short message. It may be that the phone is muted or the prompt tone is turned off in the setting, which can be solved by the following methods:

1. Check whether the phone is silent or vibrating.

2. Set the notification volume of mobile phone: Set-sound and notification (sound)-volume-notification, and turn up the notification volume.

3. If there is still no prompt tone after receiving the message, please check whether the SMS prompt tone is set to mute. Operation: Information-More-Settings-Notification-Slide Switch-Tone-Select Ringtone.

4. Try to replace the built-in system ringtone.

5. If it doesn't work, try to update the version of the mobile phone system: Settings-About the mobile phone (about the device)-Download the update manually/download the update automatically.