If iPhone 5 on AT&T can work with tMobile, why not Verizon?

Discussion in 'iPhone' started by Myiphone7, Oct 25, 2012.

  1. Myiphone7 macrumors 6502a

    Joined:
    Nov 18, 2010
    #1
    If I put a verizon sim, would I not be able to make calls?

    My iPhone 5 is unlocked, so how do I know which carriers will work overseas?

    I bought an AT&T one
     
  2. BFizzzle macrumors 68020

    BFizzzle

    Joined:
    May 31, 2010
    Location:
    Austin TX
    #2
    because a verizon sim is only for LTE service.. and the att phone doesnt use the same bands.

    for voice and 3g service it uses the esn..which would require that verizon has your esn in their system..which they dont.. as well as the cdma ipsw on it.
     
  3. 1080p macrumors 68020

    1080p

    Joined:
    Mar 17, 2010
    Location:
    Planet Earth
    #3
    Because the AT&T doesn't support the Verizon LTE frequencies and doesn't support CDMA at all. AT&T model will not support LTE in Europe either.... only HSPA+.

    AT&T model does support LTE in Canada, while the Verizon version does not.

    Hopefully someday, Qualcomm will dream up an LTE chip that supports all bands on the same phone.
     
  4. Myiphone7 thread starter macrumors 6502a

    Joined:
    Nov 18, 2010
    #4
    I see. Well as long as I'm ok overseas that's all that matters.

    I go out of the country every few years and I'm looking forward to taking the iPhone 5 this time around.

    I'll likely get a prepaid data/minutes plan. Hopefully a good 5GB or so and 60-90 min max.

    That's all I'll probably need.
     

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