I've been able to get to login pages for public wifi before with my 770, no special config, just the latest firmware. I did it at a hotel, think it was a Hilton, in Tampa. I havn't tried to get to a Starbuck's hotspot with it, so I don't know about that. I've never had that network error on a public wifi hotspot, personally, though I've had it other places, it, like most other problems I've had on my 770, just kinda resolves itself after a while for me.