there are two buttons with a green dot next to them in the cluster of buttons surrounding the LCD screen on the top of the camera (the AF button and EV compensation button). Hold these two buttons...
I removed both batteries for about an hour and... RESET. There is a small backup battery in the battery compartment next to the main battery. If you are like me and you want the next picture to be in...
I Pressume you want the unlock codes for the phone so you can use it with any operator? If so, these are phone and operator dependand so I would recommend you to contact the current operator.