What is SIM lock?

SIM Lock is a feature built into many mobile phones that allows telephone service providers to lock the phone, so it can only be used under certain circumstances. These circumstances usually participate in maintaining a telephone service, such as allowing the phone to work in certain countries or in networks provided by specific companies. This blocking function is connected to the subscriber identity module (SIM) provided with the phone and ensures that the phone can only be used in the way the service provider wants. A company that provides a telephone service or using a number of different third -party applications can also be unlocked by the SIM company, which is also called a "simlock" or network lock, unlocked that customers buying a phone from a particular company also call a number of different third -party applications. If it is not unlocked, the locked card will usually work only with a network provided by a specific companyor in a particular region. This is to encourage customers of a mobile service provider to stay loyal to this provider in the long run. Phones that have SIM lock can also be cheaper than unlocked phones, as they usually ensure that the customer who buys the phone uses only the network provided by a sales company.

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SIM lock on the phone is usually associated with a SIM card provided with a phone, which means that a customer using a specific mobile provider will be locked on any phone he uses with this card. SIM cards allow customers to transmit their information and telephone service between different phones. SIM Lock allows providers to ensure that the customer continues to use their services when it is in the contract.

Most mobile network providers can unlock the SIM lock if the customer asked. Usually notThere are no laws that providers would do this, so that to society to decide whether to be unlocked by the SIM card. Even after unlocking, the phone can still maintain the firmware associated with the service provider such as offers and operating systems. That is why the unlocked phone can still display the logo for a particular service provider when starting.

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SIM -lock phone can also be unlocked using third -party programs and services. The legality of such services is somewhat questionable, but is usually allowed, although such companies can charge a significant fee. Information provided by a SIM card unlocking can also be potentially used by someone else to make a telephone information of the person. This could allow someone else to use his service and could lead to legal complications or cancellation of services in the long run.