After the phone is formatted, WeChat can't watch the official account video of WeChat in full screen, and it is a white screen from top to bottom.

There are many problems. 1 network problems such as ip conflicts in the local area network will lead to slow network speed, which is prone to abnormal loading of pictures and videos. 2. Hardware problems of mobile phones, long-term use or being too old will have factor 3 software problems. You can try reinstalling them.