There are different download files for SkyView HDX displays, depending on the hardware version. Use the following criteria to download the correct software downloads for your aircraft. If you do not have access to this information, you can put both on your USB stick. Only the correct version for your hardware revision will be able to be loaded.
To determine the Hardware Version of your display, press and hold buttons 7 and 8. Navigate to SETUP MENU > LOCAL DISPLAY SETUP > DISPLAY HARDWARE INFORMATION. Look for the HARDWARE VERSION number.