I'm using a nuvifone A50 and run multiple maps successfully, including the CityXplorer maps for 37xx (with all features working) from the thread [Only registered and activated users can see links. ]... I simply created a folder ./storage/MAP/ on the phone itself (plenty of room as it has 4gig) and used unlocked maps renamed to anything I liked... I suspect that the A10 would have the same capabilities.