The memory of the mobile phone is insufficient, the download source is unknown, the application installation package is damaged, and the version of the mobile phone system does not match.

1, the phone is out of memory. When the memory of the mobile phone is insufficient, it will affect the normal installation of the software.

2. The download source is unknown.

3. The application installation package is damaged. This may be a problem during downloading or parsing the installation package. You can choose to download the installation package again.

4. The mobile phone system version does not match. Sometimes you will be prompted when downloading and installing the software because the system version is too low to use.