Hardware for iPhone locked into AT&T

Discussion in 'iPhone' started by downsouth00311, Jun 7, 2010.

  1. downsouth00311 macrumors newbie

    Jul 9, 2009
    So the tech specs for the iPhone 4 are as follows...

    UMTS/HSDPA/HSUPA (850, 900, 1900, 2100 MHz)
    GSM/EDGE (850, 900, 1800, 1900 MHz)

    T-Mobile runs on UMTS1700 for their 3G network in the US. So... needless to say... it looks as though the iPhone 4 is only wired to work with AT&T on 3G.

    Anyone have the current specs on Verizon or Sprint? I don't believe their 3G networks are still compatible with these radio frequencies either.
  2. i-John macrumors 6502a


    Jul 14, 2008
    The Republic of Texas
    Verizon and Sprints 3G network is CDMA based, not compatible at all.
  3. SAD*FACED*CLOWN macrumors 65816


    Apr 5, 2010
    Houston, TX

    this illustrates the fact that the iPhone is EXCLUSIVE to AT&T in the US

Share This Page