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I want to download iPhone firmware, but I don't know my iPhone is Global or GSM so…

What is difference between "iPhone 5 (Global)" and "iPhone 5 (GSM)"?

How can I recognize if my iPhone is Global or GSM?

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The CDMA model presumably has compatibility in more markets than the standard GSM model. According tot he list below, unless you ordered your phone from a Chinese firm, if you have a CDMA model it also supports GSM.

GSM is a European standard and supports the EDGE network. CDMA supports some networks branded as "3G", but YMMV. Both are getting a bit long in the tooth as far as cutting-edge goes (IMO).

You can use this list to help identify if your model includes CDMA (Global) or GSM: http://support.apple.com/kb/ht3939

Check the "Model" at the bottom on the back of the phone and cross-reference it with the model number on that list. Here are the relevant iPhone 5 data:

  • GSM models: A1428, A1533 and A1530
  • CDMA models: A1429 and A1453
  • CDMA China models: A1528, A1530 and A1518
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  • Another way to check model is via Settings -> General -> About -> Model (tap once to toggle between model number and part number) – Alexander K. Nov 5 '19 at 8:41

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