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What's the theoretical best that the T-Mobile version can do vs the ATT version? Is it worth not opening it up and trying to exchange?
Theoretical best is whatever the maximum LTE supports (300 mbps I think?) but I doubt you'll get that. But you won't have to deal with congestion as much. I know in bigger cities I sometimes can barely get anything through at all, so the less crowded band 30 should be nice for that
 
It is great that Att full price will be unlocked, just canceled my t-mobile iPhones. Thanks for the info, guys.
 
Seems Apple's tech spec now shows 1633/1634 has CDMA as well.
 

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Glad I found this thread as was researching Band 30. Bought from Apple last time on Next as usual, but may have to buy from att this time. In medium market Dayton, Ohio. Not sure I will even see this band 30 here. And haven't found any rollout schedule. Always bought my Apple products at Apple Store. So, have to decide if I change this time and go to ATT store.
 
Seems Apple's tech spec now shows 1633/1634 has CDMA as well.

Sigh. Why do they have to do this stuff after preorders? I guess I will pay attention to the tests of the ATT model to see if CDMA is working on it and then swap out within my 14 day return period. Hopefully there will be stock of the rose gold 6s within the window.
 
So if A1633, A1634, A1688, and A1687 all have the same bands in common (except for band 30), why does http://www.apple.com/iphone/LTE/ not show T-Mobile as supported for LTE under A1633 and A1634? Or is that just a typo?

This is much more confusing than last year.
 
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So if A1633, A1634, A1688, and A1687 all have the same bands in common (except for band 30), why does http://www.apple.com/iphone/LTE/ not show T-Mobile as supported for LTE under A1633 and A1634? Or is that just a typo?

This is much more confusing than last year.
I'm confused as well. Why is A1633's LTE support only for mostly U.S and Puerto Rico while A1688's is the rest of the world when they support exactly the same LTE bands? If anything A1633 has one more (i.e. 30). I'm inclined to think that this is just a typo on apple. Based on the chart, if I have A1633 and go to overseas except for Puerto Rico, I can't use LTE there. Nah, it can't be right. Right?
 
So if A1633, A1634, A1688, and A1687 all have the same bands in common (except for band 30), why does http://www.apple.com/iphone/LTE/ not show T-Mobile as supported for LTE under A1633 and A1634? Or is that just a typo?

This is much more confusing than last year.
I bought T-Mobile version and have att service as well. Not a big deal guys. I've called several tech support reps and they either A: have no idea about what I'm talking about or B: said 2.3 ghz WCS band 30 is not enabled yet at least on Long Island, NY. Probably in 2016 sometime little by little, by that time iPhone 7 will be coming.
 
I'm confused as well. Why is A1633's LTE support is only for mostly U.S and Puerto Rico while A1688's is the rest of the world when they support exactly the same LTE bands? If anything A1633 has one more (i.e. 30). I'm inclined to think that this is just a typo on apple. Based on the chart, if I have A1633 and go to overseas except for Puerto Rico, I can't use LTE there. Nah, it can't be right. Right?

Obviously, both models will work on those networks, the only difference is band 30. That list just shows which models are sold by which carriers.
 
Obviously, both models will work on those networks, the only difference is band 30. That list just shows which models are sold by which carriers.

Oh I see. That makes perfect sense now. So "Supported LTE Networks" just means "Sold" by LTE Networks (in those countries) in this case.
 
Somebody asked before, but why the different versions? If the 163x has CDMA and LTE30, then why wouldn't Apple just produce that version? Having LTE30 wouldn't adversely affect Verizon service, would it? And a previous post said that the 3rd model that will be used in China is the same (or almost) as the 168x version. Why the need for a 3rd version. I don't think Apple wants to manufacturer all these different versions, how does this help the carriers by having their own version of the iPhone?
 
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Well dang, should have gambled on the AT&T one instead of TMobile... Oh well, I doubt I'll be anywhere band 30 is during the next 12 months but still, hate that the specs "changed" after the 3-4 week wait time showed up :p
 
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They did that on purpose to probably sell the 'lesser' models, as if LTE 30 will really make that big of a difference to many.
 
I preordered both an AT&T and Verizon model because of this uncertainty. Now that it looks like the AT&T model is the one to get I'll abandon my Verizon order when I get to the store. With that settled on to the question of RAM :confused:
 
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Thanks everyone for keeping us updated with new information. I have updated the main post.

There's still some speculation that Apple will release a sim-free iP6s in the coming months, but after looking at the specs of the current phone, it seems that the iP6s already has every relevant band supported. Take for example:

iPhone 6 sim-free - Model A1586/24:

CDMA EV-DO Rev. A and Rev. B (800, 1700/2100, 1900, 2100 MHz)
UMTS/HSPA+/DC-HSDPA (850, 900, 1700/2100, 1900, 2100 MHz)
TD-SCDMA 1900 (F), 2000 (A)
GSM/EDGE (850, 900, 1800, 1900 MHz)
FDD-LTE (Bands 1, 2, 3, 4, 5, 7, 8, 13, 17, 18, 19, 20, 25, 26, 28, 29)
TD-LTE (Bands 38, 39, 40, 41)​

iPhone 6s - Model A1633/34

LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 27, 28, 29, 30)
TD-LTE (Bands 38, 39, 40, 41)
TD-SCDMA 1900 (F), 2000 (A)
UMTS/HSPA+/DC-HSDPA (850, 900, 1700/2100, 1900, 2100 MHz)
CDMA EV-DO Rev. A (800, 1700/2100, 1900, 2100 MHz)
GSM/EDGE (850, 900, 1800, 1900 MHz)
The new iP6s supports more bands than last year's sim-free iP6. The only difference being the sim-free's support for Rev. B CDMA. With the new iP6s already qualifying as a world phone, and if all the paid-in-full phones are sold unlocked, I am inclined to think that Apple will not release a sim-free version of the iP6s, as there is no reason or benefit to do so.

What more benefit would there be in Apple releasing a "sim-free" version? What would be different?
 
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What makes you think that's the case?

It most likely won't support band 30
Last years T-Mobile iPhone 6 was just an AT&T variant that was unlocked. Same phone essentially.

I don't really care either way because band 30 will be useless for probably years.

I just got HD voice in my area a week ago and that's been rolling out for over a year and a half
 
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