IPhone 4 CDMA to GSM Non-US Carrier

Can a Sprint CDMA iPhone 4 when unlocked be used on the Bahamas' (or any international) GSM Network? If so, what if has a bad ESN?

Is the Verizon iphone5 unlocked even for domestic GSM carriers?
I've read about how people getting their Verizon iphone4S unlocked for foreign GSM carriers, but after they popped US based GSM carriers' SIM into the iphone4S, still can't get SIM recognized.
Has this domestic GSM carrier lock been discontinued on the Verizon iphone5?
But even if there is no more carrier lock for domestic GSM carriers, the LTE antenna on the Verizon iphone5 A1429, meant for LTE bands 1, 3, 5, 13, 25, isn't going to work for at&t and Tmobile (LTE bands 4,17), right?

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Hello I want to Buy iPhone 5 CDMA and GSM open and I am in Yemen how to do it

Hello I want to Buy iPhone 5 CDMA and GSM open and I am in Yemen how to do it

NO it won't work in India because all the iPhones for sale in the USA are carrier locked to networks, so no they won't work outside the USA.
There will be no unocked iPhones for sale in the US at the moment which is what you need, and anyway, if you purchased one in the US, there is no international warranty so there is nothing you can do.
You will have to wait because it won't work in India.

Switch between CDMA and GSM Iphone 5

Hi,
I am wondering on the Verizon Iphone 5, can you switch between CDMA and GSM via a setting or is it still like the iphone 4s where you have to remove the sim card to switch back to CDMA?
Thanks.

A SOLUTION: cut another corner and insert the nano-SIM upside-down, and keep a SIM card ejection tool on your key ring or tape one to your phone's case or both.
Adam, and anyone else who like us, was hoping that there were a software based method that would allow iPhone 5 users the option of toggling between Verizon (or other CDMA carrier) and whatever other SIM Card based GSM carrier we have inserted/installed into our SIM tray.
For myself, I have a SIM card with the "Minutes" type of plan, specifically the minutes plan that gives 2000 minutes for $100, which is good for one year. This is my backup network.
Since I do not need a SIM for the CDMA network that I use as my primary network, my SIM slot is empty (I am not running LTE, only 3G).
So, in order to be able to switch my handset from one carrier to the other, which would be most helpful in the event of a system failure on my primary carrier I can switch over to my "backup/gsm network; it would be very, very nice to be able to toggle between the two networks, (like in the old days where we could simply select either the 'A' {non-wireline} or the 'B' {wireline} carrier/network) by simply pressing a couple-few buttons. It is funny to me to actually realize my old "Brick" phone actually had a feature lacking on my iPhone 5.
This would have been great during hurricane Sandy when my Verizon service was (literally) dead in the water for several days. And, there is always the possibility of a cell site going down on the primary network, again.

Should I purchase CDMA or GSM iPhone for use in U.S. and Hong Kong/China?

I currently have an unlocked GSM iPhone 4 that I bought in Hong Kong, and have been using it in the US through Straight Talk. I love having the flexibility of an unlocked phone when I travel. Unfortunately, the GSM networks in my area are pretty spotty, and Verizon's CDMA coverage is MUCH better. Not to mention the data speed is really slow.
I'd like to purchase an unlocked iPhone 5s without a contract, and hopefully be able to use it on the CDMA network here in america, while still have GSM available for use when I travel back and forth to Asia.
The pros and cons of GSM vs. CDMA iPhones are still pretty muddy for me, but it sounds like buying a CDMA iphone would be better for my situation because I could utilize both networks when traveling, and yet have the best speed/coverage in my current home in the US.
Straight talk or Page Plus is what I'm looking to for carriers. Verizon's too expensive for me.
Here are my questions:
1. Does my choosing CDMA seem to be the best choice? Or are there any cons regarding purchasing CDMA that I've overlooked? I've heard people say there is no such thing as an unlocked CDMA iphone. My biggest concern is that I arrive in Asia and find that some CDMA lock prevents me from using any other carrier--CDMA or GSM. (Both networks are available there, btw.) I need to make sure I can use data and make calls when I'm there.
2. If a CDMA iphone is the best choice for me, how do I purchase the right one without a contract? Apple store? Verizon? Straight Talk (do they sell CDMA iphones)?Canada? Ebay seems kinda risky to get an iPhone with the specifications I need.
3. Does a CDMA iphone still have the slot for sim cards? That's how I've always switched carriers when in Asia.
Thanks in advance!

Thanks for the reply. I didn't know that StraightTalk disabled their iphone's GSM capabilities. Guess I won't be going there to buy one.
A few follow-up questions...
So is a SIM slot only used for GSM? This is something I never knew. I assumed for any network (GSM or CDMA) that a new sim card was the way you changed numbers/networks.
I've heard people mentioning that they've been able to buy Verizon iphones and use them on PagePlus, but this information was a year or two old, so perhaps things have changed with the newer models/carrier contracts. Do you know of any people who have had success in using a Verizon iPhone 5s on the PagePlus network?

Will an unlocked iPhone 4S work with both CDMA and GSM SIM cards?

I was using the iPhone 4S with a GSM sim card all these years here in India and would like to switch to a CDMA carrier.
Does the phone work with both SIM cards? Or is there a separate model which works with CDMA?
Appreciate all replies.
Thank You!

Hey varun0809,
It sounds like you have a question about the specifications of your specific model of iPhone 4s. Here is an article for you that should be able to help you answer these questions:
iPhone 4S - Technical Specifications
http://support.apple.com/kb/sp643
Cellular and Wireless
World phone
UMTS/HSDPA/HSUPA (850, 900, 1900, 2100 MHz);
GSM/EDGE (850, 900, 1800, 1900 MHz)
CDMA EV-DO Rev. A (800, 1900 MHz)3
802.11b/g/n Wi-Fi (802.11n 2.4GHz only)
Bluetooth 4.0 wireless technology
1GB = 1 billion bytes; actual formatted capacity less.
Actual size and weight vary by configuration and manufacturing process.
CDMA available only if iPhone 4S is sold and activated for use on a CDMA network.
All battery claims depend on network configuration and many other factors; actual results will vary. Battery has limited recharge cycles and may eventually need to be replaced by Apple service provider. Battery life and charge cycles vary by use and settings. See www.apple.com/batteries and www.apple.com/iphone/battery for more information.
Wireless broadband recommended; fees may apply
Some features, applications, and services are not available in all areas. See your carrier for details. Application availability and pricing are subject to change.
Thanks for using the Apple Support Communities!
Cheers,
Braden

If i buy an iphone 6 without contract from the US, would it work in other countries with non-US carriers?

if i buy an iphone 6 without contract from the US, would it work in other countries with non-US carriers?

Contract free versus SIM free are different. What you want to do is to wait for Apple to sell the SIM free version of the iPhone 6. See this explanation from the Apple 5S page that details this...
If you buy iPhone for T-Mobile, it will arrive with a nano-SIM card already installed that you can activate by visiting an Apple Retail Store or a T-Mobile store or by calling T-Mobile. If you buy a SIM-free iPhone, you will need to purchase a GSM-compatible nano-SIM card separately. In the United States, you can purchase such a SIM from AT&T or T-Mobile. When you travel internationally, you can use a nano-SIM card for iPhone 5s from a local GSM carrier.
Also be aware warranty service is country specific. So if you buy a phone in the US and it develops problems you would need to return it for service in the US...

Iphone 4 cdma also supports gsm?

I've been doing research and I've seen online so far that verizons tphone 4 supports both cdma and gsm... If thats true that woul be great because in Japan my carrier is Softbank and states my provider is Verizon. If I could buy an unlocked iphone 4 from Apple it would be 10 times easier when I take leave home to the states. Can anyone confirm this?

it has a GSM/CDMA radio but not a GSM anttenna...I would guess that GSM iPhone 4's now has the same GSM/CDMA chip
Makes me wonder if the receptions the same...

Does The iphone 5s on Virgin Mobile support CDMA or GSM?

so I'm going on a carnival cruise later this year and theyre talking about how their internet connection requires cdma or gsm to be able to use data and i just want go make sure my phone has it.

Even if WHAT is in the Bahamas?
You will have to pay international roaming charges outside of your home country. If it's a US Virgin Mobile iPhone, it's CDMA. If it's from another country, it's GSM.

HT4526 I have a iPhone 4 (CDMA model) anyway can I change to the (GSM model)because I have a pland with AT&T wireless. What's can I do with the iPhone 4(CDMA model)

I have iPhone 4(CDMA model)anyway can I uses that iPhone with AT&T wireless plan

No. A CDMA phone can not be used on a GSM network nor can it be modified to do so.

HT1414 Hi, I'm MODELS Iran is the iPhone 5 I need to download any type of cdma or Gsm?

Hi, I'm MODELS Iran is the iPhone 5 I need to download any type of cdma or Gsm?

CDMA and gsm are types of radio used by cell networks.
They are not downloadable software.
What is it that you are trying to do?

Greetings. Do you know if an unlocked Iphone 5S can switch from CDMA to GSM with a sim card, or if you have to choose one capacity or the other when you buy the phone? Many thanks.

Greetings. Do you know if an unlocked Iphone 5S can switch from CDMA to GSM with a sim card, or if you have to choose one capacity or the other when you buy the phone? Many thanks.

Is this a Verizon or Sprint iPhone 5S?

How can i unlock my iPhone 4S (16GB) (GSM) to any carrier for FREE???

how can i unlock my iPhone 4S (16GB) (GSM) to any carrier???
i need help on unlocking my iPhone 4S 16GB (GSM) for free and making it work for any GSM carrier..

You will have to talk to the carrier who locked the devie orginally; ain't nothing in this world for free...devices are locked due to contracts. They sell you devices for a portion fo the retail price and need the contract to make their money back.

HT4528 I have an Iphone 4 CDMA. Can you pair it with more than one vehicle through HFL? I have Hondas. Also my new CRV receives texts through the Nav. It says this phone is non-compatible. Is there some software that needs downloaded?

Can you pair through bluetooth my phone to more than one vehicle? My new Honda CRV receives text messages. However it says my Iphone 4 CDMA is not compatible. Is there software I need to download to my phone?

If it works anything like Ford Sync, you can pair the same phone to different vehicles, as long as you set up separate Bluetooth profiles on the iPhone for each vehicle.
As far as Texts go, you won't be able to get them in your vehicle because the iPhone doesn't have the software protocols to do it. FWIW, I can't get texting from my iPhone 4S in my new Lincoln with Ford Sync either.

Will there be a universal phone with 4G/LTE + Current CDMA + Foreign GSM?

This would be a true universal phone, yet I see none on the horizon:
http://www.phonearena.com/phones/carriers/Verizon/upcoming
This would seem an obvious great niche to fill... So where is this phone? Any ideas why this niche isn't being filled?

Mandrake wrote:
This would be a true universal phone, yet I see none on the horizon:
http://www.phonearena.com/phones/carriers/Verizon/upcoming
This would seem an obvious great niche to fill... So where is this phone? Any ideas why this niche isn't being filled?
While this sounds like a good idea, in reality it means now you have to find space for 3 radios and antennas in the same space you typically fit only one (or sometimes two). And then tie them all together in the software.
The biggest question is if there will actually be a market for this type of device, nothing gets built if it won't sell. My opinion is the market would be very limited.
I think that manufacturers will wait until LTE is established and working (reliably) on the Verizon network and then design phones with just LTE & GSM radios (no CDMA). These will be the 'global' phones of the future (at least until the next technology comes out).
I don't think we will ever see a CDMA/LTE/GSM 'universal' phone, there is just not a big enough market for it. Just my opinion.

CDMA and GSM

So in reading about the new Iphone 4s, it looks like it will support CDMA and GSM. So to make it would not matter as much who your carrier is. Or is it two of the same annttena so it can not switch between gsm and CDMA?

DoNotMicrowave wrote:
So in reading about the new Iphone 4s, it looks like it will support CDMA and GSM. So to make it would not matter as much who your carrier is.
Yes. It's a true "world phone".
Or is it two of the same annttena so it can not switch between gsm and CDMA?
I'm not sure what you mean by this... The big reason for building a world phone is so that people who use a CDMA service in the very few countries that have them can put in a SIM card and get service in the rest of the world.

IPhone 4 CDMA to GSM Non-US Carrier

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