If the video in the WeChat group is black, it usually means there is a system problem. The solution is as follows:

Please click to open the "Settings" application on the home screen first;

Then find and click to open the "Privacy" option in the settings list;

Click to open the "Camera" option in the privacy list;

You will then see all the required When using the video camera application, WeChat should be closed at this time. Click to turn on its switch;

When the permissions for the camera that can be used by WeChat are turned on, return to WeChat and you can interact with the camera normally. Other friends are on video calls.

WeChat is a free application launched by Tencent on January 21, 2011 to provide instant messaging services for smart terminals. It was created by the product team of Tencent Guangzhou R&D Center led by Zhang Xiaolong. WeChat supports cross-communication operators and cross-operating system platforms to quickly send free (requiring a small amount of network traffic) voice text messages, videos, pictures and text through the network. At the same time, you can also use the data and location-based sharing of streaming media content through *** Social plug-ins such as "Shake", "Drift Bottle", "Moments", "Public Platform", "Voice Notepad" and other service plug-ins.