Apple details differences between CDMA and GSM iPhones

A chart highlighting the differences and similarities between the Verizon iPhone 4 and the AT&T iPhone 4

Wondering what’s the difference between the iPhone 4 offered by AT&T and the one Verizon sells? You may know that the former runs on GSM, whereas the latter on a CDMA-based network, but what that means exactly? For one thing, you can’t get simultaneous voice and data with Verizon’s iPhone, meaning that your app updates stop when you’re on a call.

Similarly, the Verizon iPhone is unable to hold a conference call with more than two attendees, and it also can’t put a call on hold. Enabling call forwarding, call waiting and caller ID with AT&T’s iPhone is as easy as changing a setting within the iOS, whereas folks with Verizon contract will have to do the same manually.

In a nutshell, we’re not talking about issues most users would put on their “biggie” list, but some others may insist on the convenience offered by AT&T’s version of the device. Having your email delivered even while you’re making a phone call is cool, but then again – having a decent signal is even cooler. ;)

A chart highlighting the differences and similarities between the Verizon iPhone 4 and the AT&T iPhone 4

[Via: TUAW]

  • http://twitter.com/jairajp Jairaj P

    Will the AT&T n/w be able to hold till you get 5 people in conference?

  • Guest

    the simultaenous data and voice is not a limitation if your phone is using wifi. How many times do you check your phone for emails when you are on a phone call ?

    • Cmcwcc

      u must be from Alabama or some other retard state

  • http://www.topcentech.com/ topcentech

    i like gms

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