Tomtom Xl lento al coger satélites

Tengo este tomtom y tarda varios minutos en coger señal, he actualizado el quickgpsfix y después de actualizar navcore y mapas le metí la carpeta antigua del backup ephem.
Alguna forma de que los coja antes?

Muchas gracias



[TomTomGo]
DeviceName=TomTom XL
DeviceVersionHW=ONE XL (v9)
DeviceSerialNumber=RB2468A03456
DeviceUniqueID=AKSZN B2C6N
RamDiskVersion=20091014
BootLoaderVersion=55026
LinuxVersion=331278
ApplicationVersionVersionNumber=8562
ApplicationVersion=438269
UserLanguage=Español
UserName=
LastConnectionTime=Never
GPSFirmwareVersion=
BuiltInColorScheme0=Belgica
BuiltInColorScheme1=Brittanica
BuiltInColorScheme2=America
BuiltInColorScheme3=Germanica
BuiltInColorScheme4=Australia
BuiltInColorScheme5=Deuteranopia
BuiltInColorScheme6=Greys
BuiltInColorScheme7=Antarctica
BuiltInColorScheme8=Africa
BuiltInColorScheme9=Astra
CurrentColorSchemeBuiltIn=0
CurrentVoiceInfo=Marta
CurrentMap=Iberia_1025_9389
CurrentMapVersion=1025.9389
Traffic=N
CurrentFuelpricesType=
CurrentFuelpricesTypeString=
CurrentFuelpricesLastFullUpdate=
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,InternalFlash,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=