I don't much care
As far as I know my iPhone 4 is 3G and so is 4S. Supposedly it is capable of 4G when and if it is available - which is highly unlikely where I live - in the middle of Nowhere, USA. Sprint, Tmo and USCellular do not work without national roaming turned on. VZN does a fair job of not dropping calls but AT&T is horrible. I've had a lot of different phones in the last 8-10 years, but for my needs Apple does the best job. I'm not a fanboi when I pay a double charge for the privilege of linking to iTunes to upgrade. The more I deal with these phone companies they more I consider a no contract Wallyworld or Trac-Phone.