users to continue subscribing to their service. With such a limitation:-
 If the user moves from one state/country to another state/country he cannot
use the option of taking a local SIM for temporary use and ends up paying high roaming
charges.
 In another scenario, the user may grow dissatisfied with the quality of the
service and/ or the rates of the service provider. But in order to change the service
provider he/ she has to give up the phone.
 Several GSM phones are dedicatedly built for specific service providers. So a
person may land up in a situation, where he/she wants to use a certain phone but not the
network provider that comes bundled with it. In such a case he/she has to make a
compromise either by subscribing to the unwanted service provider or buying some other
phone.
But then there is a key for every lock and a crack for every code. So if you are a victim of
any of the above situations, you need not worry as locked cell phones can be unlocked. In
fact we have at our disposal several services, many of them available online, which offer
to unlock just about any phone for a small fee. Many such sites also sell unlocked phones
which you can use with any service provider that suits you and change them according to
your wishes.
Currently almost all models from every brand of GSM mobile phone can be unlocked. This
is usually done in two different ways:-
 Some phones can be unlocked by feeding into them a secret code. This code is
usually unique to the phone and based upon its IMEI number and the service provider that
locked it. You can buy these secret codes for a small price and just key it into your cell
phone and presto! It will be immediately ready for use with any service provider. But do
remember to keep your secret code properly because certain service providers may
remotely lock your phone in future and then you will need the key again.  Some phones are programmed to work only with a certain service provider. In
such cases the phone’s operating system software needs to be reprogrammed to unlock it.
GSM phones are manufactured to be used with the SIM cards of any service
provider. But then many network/ service providers regularly lock GSM phones with the
intention of restricting their use to their own service.
The easiest way out is to go and buy an unlocked phone!
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