After upgrading coloros 12 with one plus 9r, why don't all software notifications show the quantity?

Because it is not opened, it can be opened manually.

Open method:

1. Click Notifications and Status Bar in the phone settings menu.

2, click on the notification management.

3. Click on the corner of the desktop to check the quantity. ColorOS 12 is a mobile phone operating system developed by OPPO, which was officially released on September 2002 1717.

ColorOS 12 launched quantum animation engine 3.0, which pays more attention to "reality" in dynamic effect, and its feel is more in line with the real world and real touch. On the one hand, ColorOS 12 simulates the real touch resistance, on the other hand, it can have the same "inertia" as the real world when sliding the screen, and at the same time, the rebound of ColorOS 12 is more real when touching and sliding.