What is the reason why there is no sound in SMS?

The reason why there is no sound in the SMS may be that the mobile phone is mute, so you can turn up the volume of the mobile phone; It may also be that the "SMS ringtone" of the mobile phone is mute.

The operation method of turning on SMS sound is as follows:

First, the mobile phone volume increase method:

1. Press the "Volume button" on the side of the phone to increase the volume.

Second, the SMS ringtone adjustment method:

1, open the phone "Settings" interface.

2. Select "Sound".

3. Click the "ringtone" icon to turn up the volume; Then select "Information Ringtone".

4. Then select "SMS ringtone".