![]() ![]() Locking of a SIM card is a feature built into most GSM Mobile Phones by the manufacturer with the specific intent of restricting use of the phone to the network provider and / or country which issued the handset. You can upgrade to a new phone by just swapping the SIM card.An unlocked phone can mean major savings when abroad by purchasing a local pay as you go SIM card you can save on roaming charges.But first you have to get the mobile phone unlocked. Once unlocked a mobile phone will accept SIM cards from other networks and will work on the frequency and bands of different carriers. The advantage of having a cell phone that accepts different SIM cards is that you are not SIM card restricted.You can place the SIM card into another phone and it will work with your same number and network. One of the biggest advantages of using a SIM cards is that you are not cell phone restricted.SIM Card What are the advantages of a SIM card? Possibly ID’s / voice group call service.MSIN / mobile station identification number.Personal identity information like phone number, phone book, text messages and data.The SIM usually contains data that defines: A SIM card is also like a small hard-drive. It is a small piece of plastic with a printed circuit board on it that has been programmed by the manufacturer on behalf of the Network Carrier who issued you the mobile phone. ![]() The Subscriber Identity Module or SIM is a removable chip that is inserted into a GSM mobile phone and is usually concealed behind the battery. ![]()
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