GSM is the digital mobile service that took over from the original analogue service. It has since been expanded with extensions that we know as 3G and 4G. It is the universal system used by almost all mobile phones world wide.
Nearly every manufactturere produces at last one GSM cell phones. You can find GSM cell phones like the LG GT365 ,or the Tmobile sidekick
Because Boost does not use a GSM network, they use iDEN. Boost phones use a SIM card that is compatible with GSM phones for overseas roaming. However, iDEN is a very different standard from GSM. Most iDEN phones are not compatible with GSM networks, and GSM phones are not compatible with iDEN networks.
There are two types of cell phone networks, GSM and CDMA. As long as the network you are trying to move your unlocked phone to is compatible then yes it will work. In most cases a GSM phone will not work on a CDMA network and vise versa, however, some careers (such as Verizon) have support signals for GSM phones. There is no support for CDMA phones on a GSM network at this time. So for overall versatility, GSM phones are better.
AnswerYES !!! GSM Phones, CDMA Phones will work in India
Some popular brands like RIM Blackberry, Samsung, Sony Ericsson, Motorola, LG have phone models that are offered on GSM carriers and they also have phones offered on CDMA carriers, however, if you want to know what phone models have both GSM and CDMA technology, then some examples are the Blackberry Storm 1, Blackberry Storm 2, and Blackberry Tour.
There are a few sites out there that sell some cheap gsm phones. Here are some sites: https://www.samstores.com/Store.asp?CtgID=26, www.myworldphone.com/ or also www.puremobile.com/.
No you cannot. Although there are some phones that support CDMA aswell as GSM.
There are a number of different cell phone models that are compatible with GSM or Global System for Mobile Communications. Some of those cell phones include Apple iPhones and Samsung Galaxy models.
most phones are locked to a carrier. Some phones are unlocked and can be used as long as you have the correct technology. GSM, CDMA, etc...
Types of GSM
Some GSM phones are internet capable. It all depends on what kind of phone you have or are looking to get. Here is a link with a lot more information. http://en.wikipedia.org/wiki/Mobile_phone
It is possible to unlock GSM phones. You can learn how to do this at the HowStuffWorks website. Once on the website, type "How to unlock GSM phones" into the search field at the top of the page and press enter to bring up the information.