what is the meaning of iphone 4(GSM) and iphone 4 (CDMA)

Question

what is the meaning of iphone 4(GSM) and iphone 4 (CDMA)

I am confuse with this two option when Im trying to download ios 6 for my iphone, actually I had that one the GSM but still confusing with the difference....anyone can answer me, thanks

iPhone 4, iOS 6

Posted on Sep 28, 2012 6:12 PM

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Answer 1

Sep 28, 2012 6:15 PM in response to VicRachellAshley

Just plug your iPhone into iTunes and select Update.

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Answer 2

Sep 28, 2012 6:16 PM in response to VicRachellAshley

the difference is in what type of carrier you have. For exaple SPRINT is CDMA, versus ATT which is gsm.

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