Why is there no ringtone in vivo x6plus SMS?

Enter the settings, select sound and vibration, and check whether the SMS ringtone is mute; (If it is silent, please select the ringtone.)

To confirm whether the ringtone volume is turned off, you can press the volume plus key in the standby interface of the mobile phone to increase the ringtone volume;

Back up the data and restore the mobile phone to the factory settings;

Confirm whether the speaker is faulty. If it is a hardware failure, go to the after-sales department.