What is a CARRIER LOCK

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SIM lock:

A SIMLOCK, Network Lock, carrier-lock, IMEI LOCK or (MASTER) subsidy lock is really a technical constraint built into CDMA and GSM mobile phone devices by producers for use by carrier networks to limit using these phones to specific locations and/or networks. This is unlike a phone (retrospectively called SIM-free or unlocked) that doesn't enforce any SIM limitations.


Unlocking Technology:

Commonly, a locked handset will show a message if a restricted SIM is used, asking for the unlock code. On the latest phone models running Android operating system software, the mobile phone is going to display a message stating “SIM network unlock PIN” or “Enter Network Lock Control Key” if it is network locked. Windows phones should display the message, “This SIM card can only be used on specific networks. Contact your customer service center for the unlock code”. Several other handsets could display a variety of messages including "Enter special code" or "Enter unlocking code," or in some circumstances the mobile will probably display a message stating it's locked. After a valid code is entered, the mobile phone handset displays "Network unlocked” or “Network unlock successful”.


Economics:

The primary reason to unlock a phone is to be able to use it with an alternative SIM card. Consumers might like to keep on using their mobile phone but with a new provider or if traveling abroad they may wish to connect to a foreign network with a prepaid subscription.


Unlocking Services:

A certain amount of businesses provide a IMEI mobile phone unlocking service . This service requires all those that would like to unlock a handset to give their IMEI number to a service supplier and frequently they will also ask for the country and network the mobile is locked to, either sent via email or entered on their web site. The company then will supply (at a cost to you) an unlock code for the handset.


Unlocking Service Providers:

Regrettably there are a great deal of fraudulent on line retailers working in the smart phone IMEI unlocking industry. As a consequence it pays to ensure you locate a reputable provider for this service. To assist with your search for a reputable service provider, we have provided a listing beneath (and in no particular order) of several genuine organizations currently offering such services.


Reputable Mobile Phone IMEI Unlocking Service Providers: