You can unlock your LG GB220 phone using unlock code.You can get the unlock code for your phone rom any third party online vendors like http://www.mobileunlocksolutions.com/lg-gb220/rs1wp9/ here you need to specify your country,IMEI number of your phone.Then they deliver unlock code to you through mail.And you can get free unlocking instructions from http://www.mobileunlockguide.com/lg-gb220 by using this you can unlock your mobile easily.
sahana
July 2013