There is no CDMA iPhone.
Will the CDMA iPhone work in the U.S.? If not do you think a JB hack could get it to work on the CDMA network in US?
I thought the ones made for china were CDMA? It's on the front page.
Yeah, the confusion here between CDMA and WCDMA is a misunderstanding of what CDMA is.
CDMA is Code Division Multiple Access. It's basically a way to split a radio frequency up so multiple devices can use the frequency and send and receive their own set of data. GSM (2G) uses TDMA, or Time Division Multiple Access, which achieves the same thing. Neither TDMA or CDMA are specifically cellular phone technologies,
The confusion here is that what Verizon and Sprint use is called CDMA2000, which is the cellular phone technology that happens to use CDMA to transmit data. But people refer to it as just CDMA, which causes confusion. UMTS uses WCDMA to transmit data (which is wideband CDMA, just a CDMA technology designed to carry more bandwidth) but has no relation to the CDMA2000 technology Verizon uses.
A decent analogy is that CDMA is like a copper wire. You can put pretty much anything you want across that, electricity, analog audio signals, digital data, etc. Well, you can put anything across CDMA (CDMA2000, UMTS, and other wireless communication technologies)
The iPhone 3G and 3GS sold here are WCDMA iPhones, except its called UMTS or 3G here. I'd guess it says WCDMA on the Chinese iPhone because that's the terminology they use over there in that part of the world as opposed to 3G, but I'd imagine the guts of the Chinese iPhone are identical to those of iPhones sold everywhere else.
It shares absolutely nothing in common with the CDMA2000 protocol Verizon uses except they both use CDMA as a transport medium, but saying that a WCDMA iPhone would work on Verizon because they're both CDMA is like saying a Yugo could fly like a fighter jet because they both use fuel.
This is the exact same bloody iPhone as what's being sold in the rest of the world. WCDMA has nothing to do with the CDMA Verizon uses.
No, because the CDMA companies (Sprint and Verizon) will only allow their approved phones on their network. CMDA phones do not use a Sim card so you would have to have Verizon or Sprint put the phone on the network and since it is not one of there approved phones not going to happen.
No, that would be WCDMA. And it's just a rumor.I thought the ones made for china were CDMA?
No, that would be WCDMA. And it's just a rumor.
No, because the CDMA companies (Sprint and Verizon) will only allow their approved phones on their network. CMDA phones do not use a Sim card
Sorry. I meant that China Unicom purchasing iPhones is just a rumor. Therefore, some details could be wrong.It's no rumor.
It's no rumor. Any iPhone 3G or 3GS is WCDMA. UMTS (3G) used WCDMA as its transport medium. We call it UTMS or 3G. I guess in China they call it WCDMA, hence, the iPhones are printed with the WCDMA label. China has UMTS networks, so if they're using the iPhone on it, it's WCDMA. It's just a terminology difference, not a technology difference. Simple as that.
There are other CDMA networks other than verizon and sprint.
So in theory people in china could buy an unlocked iPhone and use it there?
No, because the CDMA companies (Sprint and Verizon) will only allow their approved phones on their network. CMDA phones do not use a Sim card so you would have to have Verizon or Sprint put the phone on the network and since it is not one of there approved phones not going to happen.
I believe as of 2008, both Verizon and Sprint announced they would have an "Open" network, meaning activation of any CDMA phone as long as it met current specs. I know Verizon did, not sure about Sprint.
I thought the ones made for china were CDMA? It's on the front page.
I believe as of 2008, both Verizon and Sprint announced they would have an "Open" network, meaning activation of any CDMA phone as long as it met current specs. I know Verizon did, not sure about Sprint.
And if it did happen, it would be so crapped up from Verizon that it would be almost useless.![]()
There is no difference between their major network and other GSM/UMTS networks around the world.
I believe you meant, it would be more useful and less controlled, than on ATT.
If it was like other Verizon smartphones, we would be able to use Slingbox and Skype over 3G. And get applications from any app store we wanted. Even put on our choice of theme.
Darn them. Darn them to heck.
Seriously, the only big deal would most likely be their desire to put on a Verizon logo. I have no problem with that. I use a covering case anyway.
your not honestly implying that any of those appstores are superior to THE app store, are you?
As for being able to use skype/slingbox on 3G...I'd rather have to jailbreak in order to do so (technically possible on iPhone), than NOT HAVE WIFI AT ALL to use them with, because Verizon is so controlling, they lock wifi out of the majority of phones on their network (storm, anyone?)
not to mention their awful history of crippling phone features (bluetooth on the razr, for 1 example)
And if it did happen, it would be so crapped up from Verizon that it would be almost useless.![]()
I do believe Apple controls what you can install on your NON-Jailbroken iPhone via the App Store, not AT&T.I said that we'd have the freedom to choose what apps we wanted to install.
The real crippling is what Apple and ATT did, and still do, with the iPhone. Almost no Bluetooth profiles from Apple. 3G apps blocked by ATT. Adult apps and third party "duplication" not allowed by Apple. MMS missing because of ATT slowness.