Click on the function, about and version information of the main interface of Kailide Map to view the version number and main program number. For example, the main program of Kay LiDE CE platform is C326 1, and the main program of Android system is C355 1. The version number is followed by the value, and the latest version of Khalid is JOZ. Upgrade according to the main program number used by your machine, just delete the old navione folder and put in a new one. If the map is downloaded,