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TitanTiger

macrumors 6502
Original poster
Jun 8, 2009
422
85
I'd read some speculation that since Apple doesn't typically divulge all the hardware specs, that once the jailbreak for iPhone 4 came through perhaps we'd maybe find out they'd snuck the ability to use TMo's odd 3G frequency in there for a reveal later. I'm guessing since no one has broadcast this capability to the world that it's still AT&T only for 3G?
 
Once iFixIt did their teardown, they got the chip model number and looked it up on the manufacturer's site (i think its Broadcom) and the AWS band isn't listed as one of the supported frequencies.
 
So if you're on TMO then you can only use the EDGE connection? That kind of deters me from wanting to unlock and switch to TMO even if it is an arm and a leg cheaper...
 
Does Apple have a separate model for those countries that use the "other" set of 3G frequencies? For example, if someone bought an iPhone 4 in the UK and got O2 to unlock it (or unlocked it themselves), would it work on T-Mobile's US 3G and not on AT&T's 3G?

I'm basing this assumption on the info that Google had up for the different Nexus One models (before they killed the site).
 
Does Apple have a separate model for those countries that use the "other" set of 3G frequencies? For example, if someone bought an iPhone 4 in the UK and got O2 to unlock it (or unlocked it themselves), would it work on T-Mobile's US 3G and not on AT&T's 3G?

I'm basing this assumption on the info that Google had up for the different Nexus One models (before they killed the site).

As I understand it, the US is the only place where T-Mobile uses a frequency for 3G that the iPhone doesn't receive. The T-Mobile 3G other places is on an iPhone frequency.
 
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