I can't understand why would you need to unlock a mapping for those series? Edge 1000 is coming with lifetime OSM mapping, nuvi x5/x6, 2xx9 series come with lifetime EU or US maps, zumos too, GPSMAP 64 with 1 year Birds Eye subscription. And you can always use OSM for every part of the world, which nowadays does not give a chance to third party developers. Honestly I can't understand. Seems pointless to me.