1. According to Life.com's query, the format of the installer is wrong. Huawei mobile phone software checks whether the format of the third-party application is correct. Android phones only support third-party applications in APK format.

2. Set the trust source of the program, download the official version to the application market for installation, and install the installation package downloaded from unofficial channels for security protection. You need to set the trust source of the program before it can be installed normally. Go to Settings, Advanced Settings, Security, turn on the Unknown Source switch, and then reinstall the application.