The IMEI number is the International Mobile Equipment Identifier, this is a 15 digit number that uniquely identifies your phone.
You simply enter *#06# (star hash zero six hash) into your phones key pad and then a 15 digit number will be displayed on the screen. You can also find your phones IMEI number on a label on the back of your phone, underneath the battery.
The unlock code will be generated from the IMEI number so it is very important you provide us with the correct IMEI number. If we do not have the correct IMEI number then we cannot generate the correct unlock code.