1, there is something wrong with the mobile phone network. First, check whether the data switch is turned off, and then check whether there is no traffic on the mobile phone, and whether the network signal of the mobile phone is very poor, which makes it impossible for the mobile phone to connect to the network and log in to WeChat.
2. WeChat itself. Sometimes the WeChat server needs to be updated, or the WeChat server encounters a large-scale attack, and WeChat may suspend its service. At this time, you can't log in to WeChat. Generally, it will recover after a while.
3, program problems, if the version of WeChat in your mobile phone is too low or suffers from virus damage, then WeChat is definitely unable to log in. At this time, you need to uninstall WeChat and reinstall it. Wechat will be solved if it can't log in.
It is recommended to update to the latest version of WeChat, and there will be no more problems.
Wechat is a free application launched by Tencent on 2011121,which provides instant messaging service for intelligent terminals. It was created by the product team of Tencent Guangzhou R&D Center led by Zhang Xiaolong. Wechat supports fast sending of free voice messages, videos, pictures and texts across communication operators and operating system platforms. At the same time, you can also use service plug-ins such as "shake", "drift bottle", "circle of friends", "public platform" and "voice notepad" to enjoy streaming media content through * *.