I use my MTN E220 3G modem on my home computer and work laptop. Both run XP SP3. Over the easter weekend, I upgraded the firmware on the modem. This was recommended from the MTN web site, and I downloaded the firmware FROM their web site. However, since I've done that, the modem works beautifully on the home computer (from where I updated it), but it REFUSES to connect from my laptop. I have tried everything, and I've spoken to at least four agents from the MTN advanced helpdesk (0831555). Nobody has been able to help... read full review »