How does OPPO R 15 set the received information to be displayed on the screen?

OPPO R 15 starts the process of receiving instant messages;

The first method:

1, first find the setting menu in the mobile phone and open it;

2. After entering the setting menu, find the information option and open it;

3. Then open to receive instant messages.

The second method:

1, when setting, light the on-screen switch-notification and status bar-and click to lock the on-screen notification;

2. In Settings-Notification and Status Bar-Notification Management-Find the corresponding program-turn on the switch of the lock screen display.