First of all before you go get yourself an unlocked cell phone it would be wise to know something about why people are unlocking their cell phones. Usually when you buy a new cell phone a SIM card is already provided to from a certain carrier. The phone is only configured to be use with a particular SIM card carrier. The phone is usually referred to as a locked phone where in you can only use only a SIM card from one carrier. If you insert another SIM card from another carrier a message can be displayed such as ?SIM card rejected? or ?Insert SIM card?. When the mobile phone is locked you can only use it in the country where the carrier works or provides service. Due to the limitation of the use of locked phones consumers complained that they spend a lot of money changing phones or SIM cards because they cannot use it in another country. Since then providers have allowed consumers to buy or acquire unlocked cell phone provided that they abide by the rules governing unlocking phones. In other countries when phones are unlocked they do not allow changing the phone?s IMEI number. The flash memory of the cell phone must not also be overwritten or erased during the process of unlocking the cell phone. They have restrictions of limitations in unlocking the mobile phone because the providers do not want to lose profit. And the bad thing about unlocked cell phone is that you will not be able to avail of your service provider care. Other people ask of service providers are able to relock their unlocked cell phone. You might answer is with ?no? but there has been a report that a service provider was able to relock an unlocked cell phone bought by a consumer in a regular store. The situation was that he changed his service provider and with no notifications whatsoever from the provider his phone was relocked and was forced to use only one SIM with the phone that used to be an unlocked cell phone. So when you buy a cell phone that is unlocked think twice if you are going to change service providers because the same thing can happen to you. You surely do not want to waste your money and get frustrated at the end. To

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