Hi, It would appear not as Cable & wireless do not appear to offer any support or downloads for these systems. I have checked their various web sites and can find nothing at all. Hope you have better luck.
Steve
September 2011
I can answer this question...
is the cwsns 1000 sat nav upgradeable over the internet?
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix satellite navigation.