What is the phone unlocked?
Unlocking phone can be used using a subscription module card (SIM) from any network or region. Most mobile phone companies install special software blocking on their phones that prevent them from using a SIM card of any other network. However, customers can contact their providers or use third -party services to unlock certain types of phones, allowing them to be used with other networks. Although it is usually not illegal, it may violate a contract or contract (TOS) between the customer and the service provider.
phones that can be unlocked
Many modern mobile phones include a small card called SIM card. This card identifies the mobile phone as a certain phone number, holds the contact data and stores additional data. A mobile phone user can move their SIM card from one phone to another and still keep the same number and other information. These SIM cards are used in a network phones that useThe global mobile communication system (GSM), which has many European providers and some in the US.
Locked phones
The locked phone basically has software that prevents it from working with a SIM card that has coded information into it any other information. For example, a mobile phone locked with AT&T® can only work using a SIM card that is associated with this network. However, one can use any provider that uses the GSM standard, including any company, offers the best rate or service.
Unlocking the phone
There are several different ways to turn a locked device into an unlocked phone. Some mobile phone providers will unlock phones for their customers if there is no longer a contract that the user is tied to the provider. There are also third -party companies,that can be contacted and provided by codes or software used to unlock one. Whether one is the usual method cheap, although prices may vary depending on the type of phone and the service used.
advantages and disadvantages
The unlocked phone gives the user more options, allowing him to select the GSM service provider and replace the SIM cards more easily, even when traveling in a foreign country. Another advantage is that the unlocked phone has more sales because someone can use it with more providers. Unlocking the phone is usually legal, although local laws should be consulted by anyone who is considering unlocking. This is usually forbidden by a company by a company, and this may result in a fine of the provider.Why are phones locked
One way to attract new customers to mobile phones is to offer free or cheap phones when the customer signs the contract. In addition to charging a fee for high termination ifCustomers will cancel their service from the contract, protect them with mobile phones by locking phones that they sell to their network. This prevents them from losing money for customers who want to buy a phone at a low price, and then activate it with another network for a better rate.