Nearly all Alcatel, BlackBerry, Huawei, Nokia, Pantech, Samsung and ZTE mobile phones provided by cellular networks throughout the world will have a Network Lock known sometimes as one of the following: Restriction Code, MEP Code, Sim Unlock Code, IMEI Unlock Code, Subsidy Code, Network Key. This prevents the use of another competing and possibly cheaper networks sim card.

To be able to use an alternate network Sim card of your choice (Make Your Handset Sim Free), the phones network lock or restriction has to be removed. This is achieved with an Unlocking Code which is unique to your mobile phone and is the safest, quickest and least expensive method to unlock your mobile phone available! - SEE WHY and Free Your Phone. Includes many Android mobile phones.

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