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GSM stands for Global System for Mobile Communications. This type of telephone service enables anybody to access cellphone networks anywhere in the world. If you are travelling, all you need is to buy a chip called SIM card that works in the country that you're going, put it inside the card slot in your cellphone and you will be able to use your cellphone in that country.
What else can I help you with?
Does alltel wireless use sim cards?
No Alltel uses CDMA and sim cards is GSM
Do all the razors have Sim cards?
No, only Rzrs that worked on GSM networks have sim cards. Rzrs that worked on CDMA networks did not have a sim card slot.
Can you install a Verizon blackberry sim card into a nextel i570 phone?
No you cannot. The Verizon SIM cards are only designed to work on international networks. Nextel also does not use a GSM network, they use iDEN and GSM SIM cards are not compatible with it.
Can you get a G1 phone activated through boostmobile?
No because the G1 only supports GSM SIM cards and boostmobile uses IDEN SIM cards.
Can a non-SIM card phone be programed to run on a network that uses SIM cards?
No. A non-GSM phone cannot work on a GSM network, and vice versa.
Does the samsung SM-S766C have a sim card?
No it does not, that device is a CDMA device and only GSM devices use SIM cards.
Does a blackberry storm 9550 need 2 sim cards?
No, it only needs one SIM card. The Blackberry Storm2 9550 is both CDMA and GSM, and CDMA phones do not use SIM cards. So you would only need to use one SIM card when you switch the phone's mode to GSM.
Does the BlackBerry 8703e use a SIM card?
BlackBerry 8703e doesn't use sim cards. Only GSM and iDEN providers use sim cards. CDMA phones cannot be unlocked.Mazi Asikabulu
Do phones with wcdma and multi-band gsm use sim cards?
Yes, phones with WCDMA (Wideband Code Division Multiple Access) and multi-band GSM (Global System for Mobile Communications) typically use SIM cards. The SIM card is essential for connecting to mobile networks, allowing users to access services such as calls, texts, and data. Both WCDMA and GSM technologies rely on SIM cards for user identification and authentication on the network.
Will CDMA sim will work in WCDMA mobile?
There is no such thing as a CDMA SIM card.CDMA is a technology which doesnt use SIM cards.And WCDMA is evolved from gsm and uses SIM cards for 3g.
Can you transfer cingular sim card to metropcs sim card?
Nope, cause metropcs does not use sim cards but a esn number. Sim cards are usually associated only with GSM phones, and metropcs Verizon and sprint all use CDMA
What does wcdma and gsm mean on your cell phone?
a phone with these two facility can work in GSM with sim card and can work without sim card in cdma mode
