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What use is CDMA in mobile?
CDMA is a type of network that cell phone company's use. There are to meager types of networks that are used CDMA and GSM. Cell phone are usally made to work on one or the other network. The Iphone is GSM and Verizons Dare is CDMA but some phone can work on both like the new Blackberry storm.
What is the difference between unlocking a phone and flashing a phone?
Unlocking usually refers to a GSM network and flashing usually refers to CDMA networks. When you unlock a phone you can use it on any carrier that uses the same radio (GSM/CDMA), or if you have a world phone, either a GSM or CDMA. Flashing the phone just allows you to use one specific CDMA carrier.
Can you take your sim card out of an at and t phone and put it in a sprint phone?
No, because Sprint uses CDMA and AT&T use GSM. America is one of the few countries with a large CDMA presence, every where else uses GSM. Telstra, in Australia closed their CDMA network down, and replaced it with their Next G network, which is GSM.
Can a GSM phone work in a CDMA network?
The answer is "Yes, but carriers don't like it." There is no technical reason why you would not be able to use a CDMA phone on any CDMA network, but in order to ensure that they make money, carriers will only allow ESNs (serial numbers) from their own phones to be activated. The exception is (or rather, will be) Verizon Wireless when they institute their Open Access Policy. This will allow you to use any CDMA phone on their network.
Can you take sim card out of att phone and put in sprint phone?
No Sprint is a CDMA network. AT&T is a GSM network. Only GSM networks use simcards. Other wise though you can switch sim cards between GSM networks if your phone is unlocked.
Can a wcdma phone use CDMA network?
In short, no. WCDMA is designed to enhance GSM networks, even though it's technology is similar to CDMA, it uses different language.
Can you unlock virizon for ATT?
No you cannot. AT&T is a GSM network and Verizon is CDMA. They use different equipment. You can use a Verizon phone on Sprint though.
Can you put a Verizon number on a t mobile phone?
I don't know for sure but I had a Verizon phone and I tried to unlock to use it in T Mobile system. SAMSUNGimeiUnlock.com told me that they are 2 different technologies and een if I unlock the phone with them it can't be used in any GSM network. I have red more on wikipedia about CDMA and GSM so I would say that if your phone is using both of these standards you can. So gine me your phone model and I can answer for sure.
Can you flash a sprint phone to tmobile?
No. Because Sprint is CDMA and T-Mobile is GSM. Sprint = No SIM. T-Mobile = SIM.
Can you turn any phone into a tracfone?
There are two types of TracFones now, CDMA and GSM. This refers to the type of network used by the phone. And CDMA phone works only on CDMA networks, and same for GSM. GSM phones have SIM cards, CDMA do not (for the purpose of this discussion, anyway). I'm not clear on your reason for asking this question, but that's your answer. A CDMA phone does not have a SIM card. For more on CDMA vs. GSM Tracfones, check out this page: http://pbush14.wordpress.com/2008/03/16/tracfone-cdma-vs-gsm/ I should also clarify here that if your phone is a GSM phone, it MUST have a SIM card installed to operate. Also, to be used as a Tracfone, a phone must have the Tracfone software installed on it. This means that it must have been purchased as a "Tracfone" model. You can NOT bring a phone from a different service and use it as a Tracfone.
Vietnam use gsm or CDMA?
gsm
Can you switch your service from tmobile to Verizon while still keeping your tmobile phone?
You mean you want to use your tmobile phone on Verizon network? No you can't. Verizon is CDMA and tmobile is GSM network, so your phone won't work on Verizon netwok
