Apple's mobile phone suddenly vibrates and there is no news.

Check whether the mute mode is turned on and the vibration setting is also turned on. If not, there may be some software push, and the set notification method is caused by vibration.

1. First, on the settings page of Apple's mobile phone, click Accessibility.

2. Then in the accessible page that opens, click Touch.

3. Then, in the open page, find the vibration.

4. Finally, click to turn on the switch behind the vibration, and that's it.