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"Unlocked" cellphones have gained immense popularity in recent years. This is because unlocked cellphones have a wider variety of features and options available for use than do their locked counterparts.
Function
Unlocked cellphones can have more functions available than locked ones. One recent example is the Apple iPhone, which, when unlocked, allows users to install unauthorized third-party applications that cannot be installed on a normal iPhone.
Types
Nearly all types of cellphones can be unlocked. Some types of unlocking require a simple password, while others require complex software modification.
Identification
One way to identify if a cellphone has been unlocked is if a person is using a phone that is exclusive to one cellular network on a different network. Bringing a cellphone over to a different network can help users save on fees and monthly charges.
Warning
Unlocking phones can sometimes void the warranty of the manufacturer or the cellular network, so it is important to understand the terms of your agreement before unlocking a cellphone.
Effects
If an unlocking is improperly done, it can permanently disable the phone, a problem known as "bricking." If done properly, the unlocking should have no adverse effects on the phone, only positive ones.
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