Remove the batery of the phone and check the imei number or while the phone is not yet locked, dial*#06#to get the imei or serial number of the phone. Write down the 15 digit imei number somewhere *.Go to www.unlockitfree.com *.When the page loads, select,free remote master code *.In the area provided for imei/serial number, insert the serial/imei number of the phone

Click on generate. Once done, a number will be generated, that's the master code for the phone, copy and keep the number. When ever that particular phone is locked with security code and you want to unlock it, even though you don't know the phone's security code, just enter that number, i.e. Master code and it'll be unlocked! Like and share this with other