Why does oppoa9x always vibrate suddenly and inexplicably?

1, it may be that APP software such as WeChat and QQ has been receiving all kinds of messages in the background, and quickly turn off all the vibrations in the APP software settings.

2. It may be that the mobile phone root deleted the software that should not be deleted later, resulting in software conflicts, which can be solved by refreshing the machine.

It may be the system problem of your mobile phone that causes the vibrator to work abnormally.

4. There may be something wrong with the internal hardware of the mobile phone, which can be tested and repaired after sale.

5. It may be caused by the vibration of the message prompt sound of your mobile phone. View message push notifications.

6. Please check the phone settings: Is the call vibration reminder turned on? Did you set the alarm clock to vibrate? Whether the calendar task vibration reminder is turned on, etc.