The reason i want my own navcore is none i have download are the same as mine Echelon-Once you have got tomtom onto the navigofh units, you can update. Have tried patching the map using various tools easyusetools, tomtom keygen 2009. Easyusetools for Keygen Mapcheck Metacheck ttsystempatcher rar I have a tomtom one iq routes edition with mapshare.