I upgraded my modem and data package last week, I had to go to an MTN store as I had been with iTalk. When I tried to use the modem and could not connect. I phoned 1555 and they told me there was a problem with the SIM card and I had to phone 808 which I did but but kept getting cut off, I tried phoning 808 many times with the same result. Last Friday I went back to the store and explained the situation. They phoned MTN and were excellent at getting answers. MTN told the store it would take 2 to 24 hours to register my SIM, on Monday I... read full review »