1. After opening the phone, click the icon of Lightning Download APP to open the software.
2. After entering the homepage of Lightning Download APP, click "My" in the lower right corner of the page.
3. After entering my page, click "Settings" in the menu.
4. After entering the settings page of Lightning Download APP, click the switch behind "Open Mobile Network Download".
5. When the switch turns red, the mobile network download of Lightning Download APP starts successfully.