Install USB stick...error message - stuck screen

You could just replace the USB hub for about $55 US and possibly forego the dealer service route. For the 2018 Expedition, the hub you will need is in the center console in the front cubby. It should be the narrow 2 port version.

HC3Z-19A387-C (BLUE BACKLIGHTING) Ford (Narrow 2 USB-A Port)
HC3Z-19A387-H (BLUE BACKLIGHTING) Ford (Narrow 2 USB-A Port)
Interchange Part Number:
HC3T-14F014-AC, HC3T-14F014-DC
2015-2019 Ford Kuga
2017-2020 Ford F-150
2018-2020 Ford Expedition

Module Interface HC3Z-19A387-H | TascaParts.com

Media Hub, CarPlay Compatible - 2015-2020 Ford/Lincoln - SYNC 3 - Ford / Information - CyanLabs Official Community