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.
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yes
There are many different places one can purchase a Blackberry 8100 Pearl. One of the best places is at a local cell service provider's store, such as Verizon.
eBay
The BlackBerry phones are one of the most innovative phones created. According to some reviews found online, the most popular BlackBerry Pearl model is the BlackBerry Pearl 8100.
The Blackberry Perl has a full color screen. In this case, that means 64K Colours.
if you have t-mobile, go to T-zones, and search pimp my pearl and you can download it the safe way for 4.99
The Backberry 8100 can be purchases on Amazon.com. Also, many retailers such as Verizon and AT&T sell the Blackberry 8100.
Check out the below link. http://mobilewirelessnews.com/2006/10/30/how-to-tether-blackberry-pearl-to-pc-for-use-as-a-modem/
Yes, the BlackBerry Pearl 8100 is equipped with a 1.2 megapixel camera. Later versions (8110/8120/8130) have a 2.0 megapixel camera.
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The cost of the Blackberry 8100 depends on where you are buying it and if it is new or used. It varies from $80 to $500 depending on where you get it.