How to deal with the incompatibility between prestige safety training and mobile phone system

Does the subject want to ask: "How to deal with the incompatibility between WeChat security training and mobile phone system?" 1. Update the system program in the settings of the mobile phone first. 2. Then download the WeChat software again. 3. Finally, restart the phone and try to open the safety training file in WeChat for compatibility. Wechat is a free application launched by Tencent on 2011121,which provides instant messaging service for intelligent terminals.