I am not sure if this is correct
1 Set device to Mass Storage
2 Safe & then remove any gupdate.gcd from your device.
3 Download the patcher
4 Open patcher and drop the gupdate.gcd (That's the copy of the original from my gamin .sytem folder
5 incrementing the version by 1 during the patch process (Do I need to do that???)
then simply renaming the patched GCD file to GUPDATE.GCD
6 After I ...