Why does OPPO r 15 not directly display the information content when it comes to information?

This is because the direct display of information content is not set.

OPPO R 15 mobile phone can directly display information content as follows:

First turn on the phone, find "Settings" on the phone desktop, and click Enter.

2. After entering the settings, find the item "Notification and Status Bar" in the drop-down menu and click Enter.

3. After entering the notification and status bar, find the item "Notification Management" and click Enter.

Four, after entering the notification management, find a "message", click enter.

5. After inputting the information, first turn on the "Allow notification" item, and then turn on the "Show on the lock screen" and "Show on the top of the screen" switches. When the information comes, the information content will be displayed.