Tomtom go 550

Hola: Me han regalado un Tomtom go 550 y quería saber si es posible actualizar. Podríais ayudarme. Gracias

[TomTomGo]
DeviceName=TomTom GO
DeviceVersionHW=GO 750
DeviceSerialNumber=W8
DeviceUniqueID=
RamDiskVersion=20130404
BootLoaderVersion=55259
LinuxVersion=842337
ApplicationVersionVersionNumber=9510
ApplicationVersion=1234792.1
UserLanguage=Español
UserName=
LastConnectionTime=Never
GPSFirmwareVersion=2.16.201 77382
BuiltInColorScheme0=Belgica
BuiltInColorScheme1=Brittanica
BuiltInColorScheme2=America
BuiltInColorScheme3=Germanica
BuiltInColorScheme4=Australia
BuiltInColorScheme5=Deuteranopia
BuiltInColorScheme6=Greys
BuiltInColorScheme7=Antarctica
BuiltInColorScheme8=Africa
BuiltInColorScheme9=Astra
BuiltInColorScheme10=Asia
BuiltInColorScheme11=Brasilia
BuiltInColorScheme12=Concordia
BuiltInColorScheme13=NewAnglia
CurrentColorSchemeBuiltIn=11
CurrentVoiceInfo=Carmen
CurrentMap=Iberia
CurrentMapVersion=835.2419
CurrentHomeLocation=
Traffic=N
CurrentFuelpricesType=
CurrentFuelpricesTypeString=
CurrentFuelpricesLastFullUpdate=
ValueRatio=BaUHLMSfBdMQLbKnvQ==
Features=PlusOrRDSTMCTraffic,PlusSafetyCamerasDynamic,PlusSafetyCamerasStatic,PlusFuelPrices,HDTraffic,PlusTripReporting,OnDevicePayments,HidRemote,HomeBackup,ASR,ASRCnC,TTS,TTSCompressed,TTSLoquendo700,PhotoViewer,PhotoJPGViewer,PhotoBMPViewer,VoiceBrowser,LinkVolumeToNoise,MapShare,Newyork,Itinerary,Caymann,Durham,Leeway,Handsfree,PhoneFeatures,CarSymbol,TextureRendering,ExtraSounds,UserSkin,RichPOI,FrequentDestinations,PermanentMapCfg,RDSTMC,Bluetooth,SDSlot,InternalFlash,Microphone,SMSSupported,SettingsOverride,SDK,USBAccessories,MultipleMaps,Traffic,MapOverlays,Documents,WarningSounds,DangerZonesCameras
UnsupportedFeatures=PlusDownloadDynamic,PlusDownloadGeneral,PlusDownloadMap,PlusDownloadPOI,PlusDownloadScheme,PlusDownloadUpgrade,PlusDownloadVoice,PlusDownloadRingTone,PlusMessageNotification,PlusForceMessageNotification,PlusPushChannel,PlusTraffic,PlusWeather,PlusEphemeris,PlusBuddies,PlusRoadConditions,PlusFuelPriceTimestamp,Hercules,HerculesTraffic,Oxford,TrackMe,GPRSEngine,VoiceRecording,TTSUncompressed,TTSNuance51,MP3,IPOD,MusicPlayer,Games,LinkVolumeToSpeed,ZeroVolumeSupported,CaymannAlwaysOn,MAC,DepartureAdvisor,RouteInfoBackToSummary,VehicleProfile,MapShareVehicleProfile,3DCarModels,InternalModem,Prague,HardDisk,ExternalModem,Keyboard,SupportKeyControl,SupportGetAMap,Work,WorkEnabled,WorkPromotion,WorkTuria,WorkMurcia,WorkBremen,WorkUsePlus,WorkStartUpPromotion,LiveServices,SimpleMapBrowserButtonBar,HTTPActivation,AltDefaultCarSymbol,ArrivalSounds
SupportedPatchTypes=3F
NrSupportedErrorTypes=138
UserPatchDatVersion=102
CompressedPatchVersion=200
MapServerPatchDatVersion=105
DeletedPoiDatVersion=200
ServerLineIndexDatVersion=102
ServerNameIndexDatVersion=102
MapShareSupportedProviders=243
CharacterSet=TTU
VehicleBrand=
VehicleModel=
VehicleOptions=

Bueno, ante todo gracia por el aporte, he conseguido actualizar el mapa y todo parece ir bien, excepto que cuando fui a poner una dirección en el teclado, este me pulsaba justo la tecla de la izquierda que yo presionaba, lo que dificulta mucho su funcionamiento.
Se habrá descalibrado la pantalla?
Tiene solución?

Si la descalibración es poca podrás usar el método automático, si es mucha tendrás que hacerlo de forma manual creando tú el archivo de texto cal.

A mi también me sucedió tuve que calibrar a mano mediante el otro sistema:

• Calibrar_pantalla_TT_manualmente