Are you using iOS 12.2 Beta version?
The zip file is for official version. Once iOS 12.2 is finally, a zip version will be provided.
But you can still follow this guide to auto-download the zip file that suits your iPhone.
https://www.apowersoft.com/community/topic/my-iphone-screen-doesnt-show-up-in-apowersoft-phone-manager.html
1. Open “This PC” or “My computer”. Follow the screenshot below and enter the path “%appdata%\Apowersoft\Apowersoft Phone Manager\XPhoneData” behind the computer icon.

- 2. Delete the cfg and tmp files that match your iOS system.
- Connect your iPhone to Phone Manager. Wait for a while for the new zip file to be downloaded, which may take a few minutes. Please have some patience!