There is no prompt tone in Xiaomi 6' s short message. How did it happen?

Xiaomi 6' s incoming SMS has no prompt tone. It may be that the SMS prompt tone is not turned on in the settings. The operation method of opening the SMS prompt tone is as follows:

1. Find the settings icon on the phone desktop and click Open.

2. Find the sound option in the settings interface and click Open.

3. Select the vibration mode in the sound interface, and drag the volume below to adjust the volume.

4. Click the bell when selecting information.

5, choose a favorite song, and there will be a ringtone when you come back to the information.