Sync 3 1.0.15139 to new update 3.0.20204

Try creating and running an interrogator log against the unit, then share the XML with us.

For upgrading to 2.2.17xxx, you can take this post as reference → 2016 Mustang Sync3 1.0 updated to 3.0 and no Apple Carplay! - #10 by SaNdMaN