How Do Dual SIM Cards Work?

Answer

Dual SIM enableS one to use two sim cards in one phone, one can easily swicth between this two SIM cards easily. Most times a phone has to be able to support the dual SIM.
Q&A Related to "How Do Dual SIM Cards Work"
The first phones that supported dual SIMs became available in the early 2000s and were marketed primarily to European and Asian customers who traveled frequently. Dual SIM phones
http://www.ehow.com/facts_6328921_dual-sim-card_.h...
There is nothing like a dual sim card, but rather a dual sim card phone. A phone with two sim card slots, allowing you to carry two numbers and switch from one to the other. This
http://wiki.answers.com/Q/What_is_a_dual_sim_card
What is a SIM card? If you've got a cell phone, chances are good that you've also got a SIM card. These little devices are very important to your cell phone operation, so learn about
http://www.life123.com/technology/home-electronics...
As far I know dual simcard is when you are using two different sim cards in one phone and each sim card has different number. Usually chines phones has a place you can put 2 sim cards
http://answers.yahoo.com/question/index?qid=201312...
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