What is a NetworkLock

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SIM lock:

A sim-lock, NETWORK-LOCK, CARRIER LOCK, IMEI-Lock or (Master) subsidy lock is really a technical limit built into CDMA and GSM cell phones by manufacturers to be used by service providers to restrict using these phones to a particular locations and/or networks. This is unlike a mobile phone (retrospectively called SIM-free or unlocked) which doesn't impose any SIM constraints.Unlocking a cellphone is virtually universally legal. Also, it is often legal for service providers to force SIM locks for certain periods of time, varying by area.

Unlocking Technology:

A phone can be unlocked simply by entering a code supplied by the service operator. Alternative mechanisms consist of software operating on the handset or a pc attached to the phone, hardware devices that link to the handset or over-the-air by the carrier. Usually the unlock process is permanent. The code needed to get rid of all locks from a mobile phone is referred to as the master code, network code key, or multi-lock code. Generally if the device is network locked it will usually show one of the following messages: SIM network PIN blocked, Enter lock PIN.


Mobile handset suppliers have financial incentives both to strengthen SIM lock security (which placates network organisations and enables exclusivity offers) and to weaken it (widening a smartphone's appeal to users who typically are not interested in the provider that offers it). Additionally, making it very hard to unlock a device could make it less appealing to network service providers that have a legal responsibility to offer unlock codes for some handsets or in particular countries.

Unlocking Services:

Certain organizations provide a remote phone unlocking service . This service calls for individuals that would like to unlock a mobile phone handset to provide their IMEI number to a unlocking company and quite often they will also request the country and network the phone is locked to, either sent through email or entered on their web-site. The organization will then provide (for a fee) a unlock code for the mobile. For a few makes such as Nokia and Samsung many services additionally supply unique remote-unlocking software with directions, when a cable connection is necessary to remove the SIM lock at home. Such organizations may well email the unlocking code or software that should remotely unlock the device. The price for unlocking a cellphone will fluctuate according to the mobile phone network its locked to and the device model itself, as every unlock code is unique to each specific device.

Unlocking Service Providers:

Unfortunately there are a huge number of scammers on line retailers working in the smart phone IMEI unlocking industry. Consequently it pays to be certain you locate a reliable service provider for these services. Take the necessary precautions and investigate every prospective providers in advance of choosing to making an order. In the case of on line providers, make sure they provide their official business name and corresponding registration details (all legit company has to be lawfully registered with all the official governing bodies in their country of origin) and make sure they provide a genuine certified address and contact information on their web site. In addition make sure that any payments made are through legitimate methods as in a recognized bank or financial institution using a debt or credit card, but do not ever make payment via a direct transfer as this provides no fiancial protection. To aid with the search for a reputable supplier, we've provided a listing beneath (and in no specific order) of several legitimate organisations currently offering such services.

Reputable Mobile Phone IMEI Unlocking Service Providers: