What should I do if the oppor9 WeChat call pause window is gone?

Take the mobile phone model "OPPO-Reno5-Pro" as an example, then you can set the permission to open the WeChat floating window on your mobile phone.

1. Open the settings of the mobile phone.

2. In the settings page, click Apply.

3. On the application page, click to enter the floating window.

4. In the floating window interface, click WeChat, and in the permission of the WeChat floating window that pops up, select Allow, as shown in the figure:

In this way, your mobile phone's WeChat call will have a floating window.