Actualizar un gps tomtom go one v3

Buenas noches, para q me eche una mano actualizar un gps tomtom one v3.tengo formateado todo la sd es de 2 gb ,tengo los mapas de Iberia_970_7467  . Saludos

[TomTomGo]
DeviceName=
DeviceVersionHW=ONE (v3)
DeviceSerialNumber=
DeviceUniqueID=
RamDiskVersion=20091014
BootLoaderVersion=50500
LinuxVersion=331278
ApplicationVersionVersionNumber=8562
ApplicationVersion=438269
UserLanguage=Español
UserName=
LastConnectionTime=Never
GPSFirmwareVersion=GSW3.2.4TT_3.1.00.12-C35B1.02
BuiltInColorScheme0=Belgica
BuiltInColorScheme1=Brittanica
BuiltInColorScheme2=America
BuiltInColorScheme3=Germanica
BuiltInColorScheme4=Australia
BuiltInColorScheme5=Deuteranopia
BuiltInColorScheme6=Greys
BuiltInColorScheme7=Antarctica
BuiltInColorScheme8=Africa
BuiltInColorScheme9=Astra
CurrentColorSchemeCustom=10,
CurrentVoiceInfo=Carmen
CurrentMap=Iberia_855.2938
CurrentMapVersion=855.2938
CurrentHomeLocation=
Traffic=N
CurrentFuelpricesType=
CurrentFuelpricesTypeString=
CurrentFuelpricesLastFullUpdate=
ValueRatio=CGawzmfvf9qFn0nWwA==
Features=PlusDownloadDynamic,PlusDownloadGeneral,PlusDownloadMap,PlusDownloadPOI,PlusDownloadScheme,PlusDownloadUpgrade,PlusDownloadVoice,PlusDownloadRingTone,PlusMessageNotification,PlusPushChannel,PlusWeather,PlusEphemeris,PlusBuddies,PlusMobileSafetyCameras,PlusRoadConditions,PlusFixedSafetyCameras,PlusFuelPrices,HomeBackup,TTS,TTSCompressed,TTSLoquendo700,VoiceBrowser,LinkVolumeToSpeed,MapShare,Newyork,Itinerary,Caymann,Durham,Leeway,Handsfree,CarSymbol,RDSTMC,Bluetooth,SDSlot,SMSSupported,SupportGetAMap
SupportedPatchTypes=3F
NrSupportedErrorTypes=132
UserPatchDatVersion=102
CompressedPatchVersion=150
MapServerPatchDatVersion=104
DeletedPoiDatVersion=200
ServerLineIndexDatVersion=102
ServerNameIndexDatVersion=102
MapShareSupportedProviders=203
CharacterSet=Latin-1
VehicleBrand=
VehicleModel=
VehicleOptions=