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The PIN code is located on the back of the booklet that came with your new SIM card. If you have forgotten this number, there are a couple of options to retrieve it.
You can log into My Tesco Mobile and under the Details tab on the left hand menu, you will find both the PIN code and the PUK code for your SIM card. You can also log into the My Tesco Mobile App for Android or Apple and under Personal Details, you will find both the PIN code and the PUK code for your SIM card. Alternatively, you can contact us and we can retrieve this for you.
We recommend that you change your PIN code to something that's easy to remember. The instructions to do this will be included in the manual that came with your phone.
A mobile phone will ask for the PUK code if the PIN number has been entered incorrectly more than 3 times. The PUK code is located on the back of the booklet that came with your new SIM card. It can also be found by logging into the My Tesco Mobile App and under Personal Details Under PUK details, you will find both the PIN code and the PUK code for your SIM card. Alternatively, you can contact us and we can retrieve this for you.
If the display shows 'PIN blocked' or 'Enter PUK', you or someone else may have entered your phones PIN incorrectly three times. You will need your PUK code to unlock your phone. When you first bought your Tesco Mobile phone or SIM card, you would have received details of your PUK. If you no longer have that then call Customer Care on 1749 from your Tesco Mobile (calls cost 20c regardless of duration) or on 089 420 0000 from any other phone (costs from other providers will vary). You can also log onto your account to retrieve your PUK code. If the PUK code is entered incorrectly 10 times, you will get the error message. You will then need a SIM card replacement. Please call to your nearest Tesco store or order a new SIM card online. Once you have the SIM card, please contact us on 1749 or pop into your local Tesco Phone Shop and we can transfer your number to the new SIM.