need help with tt go 300

i have tt go 300 the specification es as under.

DeviceName=TomTom GO 300
DeviceVersionHW=GO 300
DeviceSerialNumber=XXXXXXXXXXXX
DeviceUniqueID=XXXXX XXXXX
RamDiskVersion=20081205
BootLoaderVersion=55120
LinuxVersion=2344
ApplicationVersionVersionNumber=7903
ApplicationVersion=9183


i have upgraded the navcore to 9510 but not working tired to put the map 950.6492 iberia but msg comes this map cant work on ur device. i have patched navcore but nothing. some times tt not enter in menu and get hang so have to formate the sd card and put all agian. plz help me which navcore is best and which map will work on this device

Did you remember to patch your new map? If so, did you confirm it was actually patched, by looking for the .meta.dct file in the new map folder?