How do you enter the puk code for the nokia rm-1133?

To enter the PUK code on a Nokia RM-1133, first, turn on the phone and wait for the prompt asking for the PUK code after entering an incorrect PIN multiple times. Enter the PUK code using the keypad and press the "OK" or "Enter" button. You will then be prompted to set a new PIN code. Follow the on-screen instructions to complete the process.