What Navcore are you on at the moment?
~ (Find out the full version number by tapping on the signal strength bars and then tapping th esmall "version" box on the right. All the details will then be shown on a text screen)
AFAIK, the current software for the original 'ONE XL' is still v8.010 and for the newer' 'XL 30 Series' it's v8.014 and for the XL LIVE IQ its v9.061