For any one else that has unlocked and is using on att, have you looked at the preffered network list in the mobile network section?

I am not sure what the difference between the first two are.

They are ATT 310/410
and ATT 310/380

does anyone know the difference?

Looks as though these are a couple of several different networks that AT&T runs. Seems cool that you can choose the one that provides you with the best signal for wherever you are at the moment. Take a look at the link below - provides a good overview.

GadgeTech.info - Information and Reviews

Thanks. After searching and searching the forum i went to google and just started trying different things. Found the same info. Was very impressed that i can switch between the different bands to what ever is getting picked up better.