I would say its definitely not illegal because you can buy the unlock codes from the Network provider.
I had to do it when I gave my iPhone to someone.
Most other phones you are able to get done by a independent high street phone shop for about £10
What is the IMEI?
Oh, in case you want to 'cut and shut' your damaged phone?![]()
What is the IMEI?
What is the IMEI?
To display it, key in *#06#