Questions tagged [cdma]

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Does the CDMA iPhone 4S support simultaneous voice and data on Verizon

I read that the iPhone 4 couldn't do this. Is that still true of the 4S when used in CDMA? As @Jannemans points out this wasn't possible in any CDMA phone until one point. But the question is valid ...
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How to use a iPhone 4S (that was activated on a CDMA carrier) with a local GSM network?

I'd like to know if I could factory restore my iPhone 4S, insert a SIM card and see if that would make it activated in the other GSM network. The phone was bought from a regional CDMA carrier but they'...