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Qualcomm MDM6600 chip  (Source: iFixit)
Verizon's iPhone 4 uses a dual-model cellular chip

Those eager Verizon subscribers that pre-ordered the iPhone 4 are today starting to receive their smartphones. Not surprisingly, the ever-resourceful folks over at iFixit have already ripped open the iPhone 4 that they received today.

While there was some small changes visible from the outside that we already knew about (repositioned antenna gaps and hold/volume buttons), there's more going on underneath than just a switch from a GSM-based chipset to a CDMA-compatible one.

IFixit reports that Verizon's version of the iPhone 4 features the Qualcomm MDM6600 chip [datasheet], which is the exact same chip that is found in Motorola's Droid Pro world phone. That means that the chip not only supports CDMA2000, but it also supports HSPA+ which Apple conveniently disabled on this particular outing.

The folks at iFixit reckon that it was probably easier for Apple to simply go with a CDMA-only configuration now given the antenna constraints in the current iPhone 4 design. But future generation of the iPhone could very well support both CDMA and GSM which would simplify SKUs for Apple -- at least until LTE versions of the iPhone start rolling off the assembly line.



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RE: Disabled GSM
By vol7ron on 2/7/2011 11:05:13 PM , Rating: 2
GeoHot is planning his next release: prisonbreak.
He's gonna try and hack his way out of jail.

Seriously though, he should post for donations. I've used his services, not for anything illegal, but to have things like control of background images, skins, texting from apps, unified inboxes, gesture menus, backgrounding -- many years before Apple finally implemented something that still doesn't hold a candle.

I can't support Sony any longer.


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