Why is my oppo r9 unread message not displayed? Just like the picture below, there are unread text messages, and there is no prompt on the mobile phone page. How can I make them back down?

Go to Settings-General-Applications-All Information-Application Information-and check the display notification.

Processing method of mobile phone receiving silent information;

1. Check whether mute mode is turned on: setting-sound-mute mode-turn on full mute function;

2. Check whether the phone has turned on the Do Not Disturb mode: Set-Do Not Disturb mode;

3. Has the mobile phone turned off the switch of the notification center: Settings-Notification Center-Information-Allow notification, status bar display, and screen lock display (at present, only ColorOS 2. 1 system has this function);

4. Whether to turn off information notification in mobile phone information settings: information-settings-information notification;

5. Check whether the contacts on the mobile phone are open. No reminder in this session: contact person-contact information-no reminder in this session.