What is a CARRIERLOCK

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SIM lock:

A SIM lock, NETWORK-LOCK, carrier lock, imei-lock or (master) SUBSIDY lock is a technical limit built into CDMA and GSM mobile phones by producers to be used by providers to restrict using these phones to specific locations and/or networks. This is not like a cell phone (retrospectively called SIM-free or unlocked) which doesn't enforce any SIM restrictions.

Most mobile phones can be unlocked to work with any GSM mobile phone network provider, however the phone may still display the original logos and may not support popular features of the new carrier. Besides the locking, smartphones can also have firmware attached to them which is specific to the network provider. This firmware is installed through the service provider which is separate from the locking mechanism. A lot of smartphones can be unbranded by re-flashing an alternative firmware variation, an operation suitable for advanced users only.


Unlocking Technology:

A device can be unlocked simply by entering a code supplied by the network operator. Different mechanisms include software operating on the handset or a computer or laptop attached to the phone, hardware devices that attach to the mobile or over-the-air by the carrier. Usually the unlock operation is permanent. The code needed to do away with all locks from a mobile phone is known as the master code, network code key, or multi-lock code. Generally if the device is carrier locked it will typically display one of these messages: SIM network PIN blocked, Enter lock PIN.


Economics:

Mobile phone companies have financial incentives both to bolster SIM lock security (which placates mobile phone network organisations and enables exclusivity discounts) as well as to weaken it (expanding a handset's allure to consumers that typically are not interested in the service provider that offers it). In addition, making it very hard to unlock a device could make it considerably less appealing to mobile phone network service providers who have a legal liability to supply unlock codes for certain handsets or in specific countries.


Unlocking Services:

Some companies provide a IMEI unlocking service . This service calls for those people whom wish to unlock a handset to provide their IMEI number to a unlocking company and sometimes they will also need the country and network the device is locked to, often sent by email or entered on their website. The supplier then will provide (for a fee) the unlock code for the mobile.


Unlocking Service Providers:

Regrettably there are a huge number of fraudulent on-line retailers operating in the mobile phone imei unlocking industry. As a result it is advisable to ensure you use a trustworthy supplier for this service. Do your due diligence and investigate all prospective providers before committing to submitting an order. In the case of on line providers, make certain they publish their formal company name and matching registration details (all authentic business is required to be lawfully registered with all the official authorities within their country of origin) and ensure they give a legitimate certified address and contact information on their web site. Furthermore make certain that any payments made are done so thru legitimate methods for example a recognized bank or financial institution using a debt or credit card, but never make payment via a direct transfer because this provides no fiancial safeguards. To aid with the search for a legitimate service provider, we have provided a listing just below (and in no particular order) of several legit organizations currently offering such services.


Reputable Mobile Phone IMEI Unlocking Service Providers: