I own a 2016 Ford Escape SE and have been trying to update my SYNC, which is currently on the 3.1.15139 version, to the 3.4 in order to get Apple Carplay. I have used the SYNC 3 updater tool and have also done the manual method. However, everytime I plug the USB into the hub, I get a message that reads as “Invalid or Unsigned File: Your installation package may have corrupted, the package signature may have failed or the signature may have been revoked.”
I have tried using updating to version 2.2 first and that also produced the same message. I though it could have been the USB I was using but after trying 3 different ones I have had no luck, and like I mentioned earlier, I have also tried using both the updater tool and the manual method, I even tried downloading the download directly from the ford website but have continously been unsuccessful. Does anyone have any idea what might be going on or how I could troubleshoot this? Thanks!
SYNC Region: NA
Navigation Variant: Non Nav
Manufacturer Year: Pre MY20
Install Type: OEM
Old SYNC Version: 3.1.15139
New SYNC Version: 3.1.15139
Do you have a error message, if so what is it?
“Invalid or Unsigned File”
Update Method: CyanLabs Manual Method