That seems to have worked fine. The only SIM card I have is a NET10 prepaid card and it says "No network Service" even though I see bars. I can't connect to 611 but I can connect to 911. Since it doesn't say "invalid SIM" or something like that I assume that it is unlocked. I checked the Unlock menu and the 4 locks have a picture of a lock, and the network lock picture seems to have a little break in the hasp but the damn thing is so small I can't be sure.