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The PIN (Personal Identification Number) code enables secure access to the SIM card and network. So, if you lose your phone or it is stolen, you can protect it from misuse by using your PIN code to lock your SIM. This means you will need to enter the PIN code each time you turn on your phone.
When enabling SIM lock, your phone will prompt you to enter a PIN code. This can be found on the plastic card you received containing your 1pMobile SIM. Be aware that SIM cards lock after more than three incorrect PIN entries and your phone will display ‘Enter PUK’. In order to unlock your SIM, simply enter the PUK (Pin Unblocking Key) code which can be found on the plastic card you received containing your 1pMobile SIM.
On some phones the only indication you get is the message "PUK Locked". To then the PUK code - press on Emergency Call and your normal dialler will be displayed. Enter the following code:
Replacing XXXXXXXX with your SIMs 8 digit PUK. E.g. if your PUK was 12345678 you would enter:
This will reset the PIN on your SIM to the default code of 1210.