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<blockquote data-quote="Unregistered" data-source="post: 3372839">Before choose you cellphone network,you should know about GSM and CDMA.CDMA(Code Division Multiple Access) is a digital cellular technology&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; that uses spread-spectrum techniques.CDMA consistently&nbsp; &nbsp;&nbsp; provides&nbsp; &nbsp; &nbsp; &nbsp; better&nbsp; &nbsp; &nbsp;&nbsp; capacity for voice and data communications&nbsp; &nbsp;&nbsp; than&nbsp; other&nbsp; &nbsp; &nbsp;&nbsp; commercial&nbsp; &nbsp; mobile&nbsp; &nbsp; technologies, allowing more&nbsp; &nbsp; &nbsp; subscribers to&nbsp; &nbsp; &nbsp;&nbsp; connect at any&nbsp; &nbsp; given time,&nbsp; &nbsp; and it is the&nbsp; &nbsp; &nbsp; common platform on&nbsp; which&nbsp; &nbsp; &nbsp; 3G technologies&nbsp; &nbsp; are built.It&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; doesn&#039;t have sim card.&nbsp; &nbsp; &nbsp; &nbsp; The reason for more GSM usage is that the international Roaming of GSM&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; is Very good and it has sim card,So you can easily swap&nbsp; &nbsp; your&nbsp; &nbsp;&nbsp; sim&nbsp; &nbsp; &nbsp; card&nbsp; &nbsp; &nbsp; when you need.For choosing your cell phone&nbsp; &nbsp; &nbsp; network,Go&nbsp;&nbsp; to a&nbsp; &nbsp; &nbsp; phone&nbsp; shop&nbsp;&nbsp; in&nbsp;&nbsp; town, tell them what you&nbsp; &nbsp; want,&nbsp;&nbsp; they can&nbsp; &nbsp;&nbsp; advise.Before&nbsp; &nbsp;&nbsp; getting&nbsp; your&nbsp;&nbsp; cell&nbsp; phone&nbsp; &nbsp; service&nbsp;&nbsp; provider,Make&nbsp; sure&nbsp; &nbsp; your phone is&nbsp; &nbsp;&nbsp; unlocked and&nbsp;&nbsp; accept&nbsp; &nbsp;&nbsp; that&nbsp; &nbsp; carrier,If it&#039;s&nbsp; &nbsp;&nbsp; restricted by other&nbsp;&nbsp; network&nbsp;&nbsp; carrier&nbsp; &nbsp; &nbsp; means,You&nbsp; &nbsp; will need&nbsp; to&nbsp; &nbsp;&nbsp; unlock your phone.For&nbsp;&nbsp; unlocking you&nbsp; &nbsp; &nbsp; can&nbsp; &nbsp;&nbsp; approach your&nbsp; current&nbsp; &nbsp; &nbsp; network provider or else&nbsp;&nbsp; try&nbsp; to&nbsp;&nbsp; buy an&nbsp; &nbsp;&nbsp; unlocking&nbsp;&nbsp; service from&nbsp;&nbsp; any&nbsp; &nbsp; one of&nbsp; the online&nbsp; &nbsp; &nbsp; unlocking service&nbsp; &nbsp;&nbsp; provider like <a href="http://www.prounlocking.com/supported-phones/rs8wp7/" target="_blank">ProUnlocking.com</a>&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; I hope it will be very useful to you.</blockquote>

[QUOTE="Unregistered, post: 3372839"] Before choose you cellphone network,you should know about GSM and CDMA. CDMA(Code Division Multiple Access) is a digital cellular technology that uses spread-spectrum techniques.CDMA consistently provides better capacity for voice and data communications than other commercial mobile technologies, allowing more subscribers to connect at any given time, and it is the common platform on which 3G technologies are built.It doesn't have sim card. The reason for more GSM usage is that the international Roaming of GSM is Very good and it has sim card,So you can easily swap your sim card when you need.For choosing your cell phone network,Go to a phone shop in town, tell them what you want, they can advise.Before getting your cell phone service provider,Make sure your phone is unlocked and accept that carrier,If it's restricted by other network carrier means,You will need to unlock your phone.For unlocking you can approach your current network provider or else try to buy an unlocking service from any one of the online unlocking service provider like [URL="http://www.prounlocking.com/supported-phones/rs8wp7/"]ProUnlocking.com[/URL] I hope it will be very useful to you. [/QUOTE]

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