How to set Lenovo z2 mobile phone information without prompt tone?

The solution to the problem that there is no prompt tone when a mobile phone receives a short message is as follows:

1, this is the scene mode, system settings-all settings-scene mode-outdoor/standard;

2, and then set the mobile phone system prompt tone, settings-sound and vibration-SMS ringtone-select ringtone settings to save;

3. Turn the volume of the mobile phone to the maximum;

4. Restore the factory settings;

5. Mobile phone after-sales treatment warranty.