I was always irritated by the bloated software Vodafone NL delivers to its customers to connect the datacard to the netwerk. Some time ago somebody suggested that you should flash your dongle and remove that Vodafone software. Flashing devices is not my favorite activity, so i decided to use the software only and not flash it. I found the application Mobile Partner and it works like a charm.
Settings that work for Vodafone NL:
Thats it. Use this new profile to connect to the network and you are set.