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post #11 of 38
Wait a second...

Why don't they rather use a penta-band chipset that can work on all GSM bands (both american and european) for the iPhone 5? If the Nokia N8 can do it, why the iPhone 5 can't?

IMO that would be a better strategy than spending more on creating 3 different models: American GSM model, CDMA model and European GSM model, makes no sense! Instead, they could use a Pentaband GSM model for AT&T and T-Mobile, and the CDMA version for Verizon.

EDIT: Unless that's exactly what they're going to do with the next iPhone
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post #12 of 38
Quote:
Originally Posted by Icekilla View Post
Wait a second...

Why don't they rather use a penta-band chipset that can work on all GSM bands (both american and european) for the iPhone 5? If the Nokia N8 can do it, why the iPhone 5 can't?

IMO that would be a better strategy than spending more on creating 3 different models: American GSM model, CDMA model and European GSM model, makes no sense! Instead, they could use a Pentaband GSM model for AT&T and T-Mobile, and the CDMA version for Verizon.

EDIT: Unless that's exactly what they're going to do with the next iPhone
I'm betting they will. I think they're just testing prototypes with iPhone 4 models.

There was a real problem with the white iPhone 4, for one they couldn't get it the right shade of white and the LED was bleeding through it, IIRC.
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post #13 of 38
Seems pointless to me, assuming AT&T's acquisition is a full success (which I hope isn't the case).
post #14 of 38
Quote:
Originally Posted by Ikrin View Post
Seems pointless to me, assuming AT&T's acquisition is a full success (which I hope isn't the case).
Not really, you're forgetting there are many carriers around the world that use European GSM frequencies instead of the American ones. If anything, this would allow the iPhone 5 to work almost anywhere around the world.
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post #15 of 38
Quote:
Originally Posted by Icekilla View Post
Wait a second...

Why don't they rather use a penta-band chipset that can work on all GSM bands (both american and european) for the iPhone 5? If the Nokia N8 can do it, why the iPhone 5 can't?

IMO that would be a better strategy than spending more on creating 3 different models: American GSM model, CDMA model and European GSM model, makes no sense! Instead, they could use a Pentaband GSM model for AT&T and T-Mobile, and the CDMA version for Verizon.

EDIT: Unless that's exactly what they're going to do with the next iPhone
Using a penta-band chip may be more expensive than making 3 different models depending on the production volumes.
I'm assuming that a penta-band chip is more expensive compared to regular chips they use in T-Mobile or AT&T iPhones, let's say if it's $2 more expensive then the regular chip and they sell 5 million iPhones, that's $10 million. I'm sure it won't cost them $10 million to do tweaks and testings for different carrier models. Production shouldn't cost them extra either, since Foxconn's handling all that.
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post #16 of 38
They did that knowing ATT bought T Mobile?
    
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post #17 of 38
Quote:
Originally Posted by nardox View Post
Using a penta-band chip may be more expensive than making 3 different models depending on the production volumes.
I'm assuming that a penta-band chip is more expensive compared to regular chips they use in T-Mobile or AT&T iPhones, let's say if it's $2 more expensive then the regular chip and they sell 5 million iPhones, that's $10 million. I'm sure it won't cost them $10 million to do tweaks and testings for different carrier models. Production shouldn't cost them extra either, since Foxconn's handling all that.
Depends...

You'd have to see how much it would cost to have a pentaband GSM chip on the phone, and considering that the iPhone 5 MIGHT support 4G technology, which means it'll have to use a brand new chipset, I see no reason so use one single GSM chipset for both American and European GSM versions for the sole reason that it would cost more to develop two separate versions of the phone for diferent GSM frequencies.
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post #18 of 38
Quote:
Originally Posted by Icekilla View Post
Not really, you're forgetting there are many carriers around the world that use European GSM frequencies instead of the American ones. If anything, this would allow the iPhone 5 to work almost anywhere around the world.
I'm not sure I follow. Isn't the source about them testing it on T-Mobile USA GSM bands?
Edited by Ikrin - 4/24/11 at 5:59pm
post #19 of 38
Yes they are, and it's also true that T-Mobile is not the only carrier in the world that uses the 1700Mhz 3G band.
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post #20 of 38
iphone5 will support 'mobile-to-mobile' direct..a brand new feature, exclusive to the iphone5 that will work for select applications.

*Tmo uses - HSDPA+ ..which is "almost 4G..but not"..it meets enough of the technical specifications for them to call it 4G.. Tmo also uses a total of 2x GSM frequencies and 2x UMTS/HSDPA+ frequencies in the US.

*ATT uses - UMTS and now LTE ..while standard UMTS is ~10-20% slower on average than HSDPA+ ... LTE blows it out of the water. ATT uses a total of 2x GSM frequencies, 2x UMTS frequencies..and are now installing 2x LTE frequencies in the US.
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