What is a cell phone locked? Mobile device can be used only on a single network device called "locked". All wireless devices around the world are produced instruments unlocked. However, some of the world's mobile phone tend to "lock" devices sold by them, by inserting the code, to prevent you from using the services of another mobile operator. Instruments bought or purchased directly from the importers abroad, usually unlocked! How do you check? Lend a few minutes SIM card of a mobile network subscribers other than where you are, friend or acquaintance. Put your phone and turn on him. If the device connects to the network of another mobile operator, and can get out of him and then the call is not locked. If on the other it is displayed a message "enter registration code" or "Inserting" then the machine "locked". How to open a lock? We have a onsite phone technician who has proven track record of unlocking phones