Your PIN (Personal Identification Number) code is an access code composed of 4 digits that you received with your SIM card. With this code, you have access to JOIN’s network. You must enter the PIN code each time you switch on your mobile.
The PUK (Personal Unblocking Key) code is a code consisting of 8 digits that you also received with your SIM card. It is used to unblock your SIM card when you entered 3 times a wrong PIN code.
These codes are provided with the SIM card in the Welcome Pack.They can be found on the plastic card that the SIM card is attached to. It is recommended to keep these secret codes in a safe place.