When and if t mobile brings hspa to my neighborhood... what kind of speeds should i expect. I don't think the n1 is 4g compatible or whatever. Is it? And if not, will it make any difference at all? Basically wondering if my phone will just go as fast as it can, or if it'll be suck at the same slow speed. During t mobiles upgrades of their towers, does this bring hope of faster 3g speeds, or am I expected to buy a new phone.