A specific file (often NaviPatch.png or an update file) must be loaded into the SYNC 2 unit via USB to unlock the "Navigation" interface.
Using this tool is only one part of a multi-step "unlock" process commonly shared in automotive forums like FocusClub.nl : fordactivator.apk
While Ford provides official map updates via their Ford Support portal (requiring a Vehicle Identification Number/VIN), the FordActivator.apk is a third-party tool often used in community-driven workarounds to bypass hardware-restricted navigation locks. What is FordActivator.apk? A specific file (often NaviPatch