iPhone 4 GSM in USA?

Discussion in 'iPhone' started by iluvifone, Apr 30, 2013.

  1. iluvifone macrumors 6502

    Jun 28, 2010
    -Purchased iPhone 4 on launch day in 2010, with my Canadian Carrier, Rogers
    -Moving to USA next month. Want to keep my phone, ideally.
    -I recall reading online that T-Mobile didn't support the iPhone 4 or something like that, back in 2010... Different frequencies or technologies were the issue, I believe.

    Moving to Chicago, will I have any trouble using my iPhone with Verizon/Sprint/At&T ?
  2. Ann P macrumors 68020

    Jun 29, 2009
    Verizon and Sprint are CDMA networks. If your phone is already factory unlocked (I'm not familiar with international carriers), it'll only work on T-Mobile, AT&T, SimpleMobile, etc.,.

    T-Mobile currently support GSM iPhone's.
  3. Mrbobb macrumors 601

    Aug 27, 2012

    Current and forever since their infrastructure is GSM, makes little sense to partner with a CDMA.

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