[header] How to unlock an lg optimus [title] Get the imei code of your phone. [step] Mobile phones, including optimus units, are assigned with special codes called imei (international mobile equipment identity) that are generally used for identification purposes. To get your phone's imei, enter * 06 on your phone using its on-screen keypad. 
The imei code will be displayed on the screen; make a note of it. [substeps] You can also check the back of your phone.