What is a imei lock

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SIM lock:



A sim-lock, network-lock, CARRIER LOCK, IMEI-Lock or (Master) subsidy lock serves as a technical restriction built into GSM and CDMA mobile phone devices by manufacturers to be used by carriers to restrict the usage of these phones to particular locations and/or networks. This is unlike a cell phone (retrospectively called SIM-free or unlocked) which doesn't enforce any SIM constraints.If the devices had not been locked, owners might possibly sign a contract with a particular service, acquire the discounted phone, then quit paying the monthly payment (thus breaking the contract) and begin using the smartphone on another mobile phone network or even sell the device for a profit. SIM locking curbs this by barring a change of network (using a new SIM).


Unlocking Technology:

Usually, a locked device will show a message if a restricted SIM is used, requesting the unlock code. On recent phone models working on Google android software, the cellphone will show a message stating “SIM network unlock PIN” or “Enter Network Lock Control Key” if it's network locked. Windows phones are going to display the message, “This SIM card can only be used on specific networks. Contact your customer service center for the unlock code”. Other models might display a variety of messages which include "Enter special code" or "Enter unlocking code," or in some instances the device will simply display a message saying that it is locked. Once a valid code is entered, the mobile phone displays "Network unlocked” or “Network unlock successful”.


Economics:

The reason to unlock a handset is going to be able to use it with another type of SIM card. Customers might like to continue using their cell phone but with a different provider or if traveling in foreign countries they might like to connect to a overseas network using a prepay subscription.


Unlocking Services:

A number of companies provide a imei phone unlocking service . This service requires all those whom wish to unlock a handset to supply their IMEI number to a unlocking company and sometimes they will also ask for the country and cellular network the handset is locked to, often sent through email or entered on their website. The company then will supply (for a fee) an unlock code for the handset.


Unlocking Service Providers:

Disappointingly there are a multitude of scammers "businesses" operating in the cell phone IMEI unlocking industry. Consequently it pays to make sure you find a honest provider for this service. To assist with a search for a reputable service provider, we've supplied a listing beneath (and in no particular order) of a few genuine organizations currently offering such services.


Reputable Mobile Phone IMEI Unlocking Service Providers: