At present, the reliability and speed of communication are relatively high, so UDP is usually the main method. Wechat and QQ are essentially the same. Generally speaking, voice and video will be transmitted by UDP, while low-cost text should be mainly TCP. Personal analysis, no verification.

The communication technologies used by WeChat mainly include: instant messaging technology, which is a network-based communication technology, involving IP/TCP/UDP/Sockets, P2P, C/S, multimedia audio and video coding/transmission, WebService and other technical means.

Analysis results of mobile phone WeChat: Use port numbers 80 and 8080 for login and interaction.

Hello, my mobile phone can surf the Internet under WiFi, but it can't be used on WeChat. Making sure that WiFi is OK means that the network is OK. UDP protocol used by wechat. TCP/ip protocol used in web pages.

Wifi can surf the internet, indicating that there is no problem with the network. UDP protocol used by wechat. TCP/ip protocol used in web pages. Generally, there is no need to set TCP/IP protocol on mobile phones. Of course, some mobile phones have setting functions. If it is set, please set it to CMWAP.