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Is there such a thing as locked cell phone? Yes, there is and it happens because phone network providers device that mechanism to withstand themselves against competitors.
CDMA and GSM are two major communication systems used for mobile phones. CDMA is a coded response system that ties a phone and its user together to a particular system and to a particular number. CDMA is more popular system in the United States.
GSM, which means Global System for Mobile Communication, is the common standard in over 200 other countries around the World and is becoming more popular also in the United States. GSM cell phone uses a SIM card to communicate with a particular network. The network provider has the ability (and usually it's used to lock the phone so that it will not respond to a SIM card from an alternate provider. Network providers do this obviously for competitive purposes, but many have cried foul over this seemingly unfair practice.
When an individual purchases the cell phone, he should have the freedom to change the SIM card and use the unit on any network that he prefers to use. This gives him the power also to use the same phone if he travels, especially in foreign countries without paying expensive roaming charges.
A locked cell phone is certainly not a Gordian Knot kind of thing where it takes a millennia to untangle but sometimes it can get very frustrating and time-consuming. The thing is you can prevent all the hassle because there are a lot of available unlocked cell phones in the market. And yes, there are unlocked Blackberrys.
If you are still in the process of buying a Blackberry cell phone, prevention is better than cure. While it is possible to unlock a Blackberry phone, many people opt to buy unlocked Blackberry phones. What's even great, you can buy an unlocked Blackberry phone at a much-discounted price. For instance, a used Blackberry 7100g that is unlocked for Cingular & T-Mobile subscribers is $60 only, while a Blackberry 7105 that is unlocked for Cingular and T-Mobile & Rogers is $65.95.
The truth of the matter's that there is tremendous competition between various mobile phone service providers. Hence, phone companies are most anxious to lock you into using their service and this is the purpose for locking them. When you own an unlocked Blackberry phone, you have the capability to choose your own service - the stuff you need and the stuff that you just want.
GSM phones are usually easier to unlock compared to CDMA phones. But then again, in either case, buying an unlocked Blackberry mobile phone makes more sense than purchasing a phone and then going through the problem of unlocking it later. So let's make the equation simple: buying unlocked Blackberry phones is the only way. But before you take out cash from your pocket, ask the seller and make sure that they truly understand what it is you are asking of them. Once you have your unlocked Blackberry phone, it is an easy matter to determine if it is truly unlocked. All you need to do is try it out and the Blackberry phone will tell you its status. If it is unlocked you will be capable to use it to connect with whatever service you wish to use.
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