Once you bought a prepaid or pay monthly contract you get a SIM card with your personal PIN and PUK. Forgot your PIN or PUK? You have the chance to check them online. All you need is to be registered in Mein o2.
Displaying your PIN and PUK online
You can view your PIN and PUK by logging in to our online portal. From the menu on the left select “Mein o2” > “Tarif & SIM-Karte” > “SIM-Karte verwalten” > "PIN & PUK einsehen". Or follow the direct links:
Important information: The PIN shown, is the original PIN you received from us. If you have changed your PIN in the meantime, the PIN shown will not be the correct one. In this case use your PUK to change your PIN again. The following code ist typed directly in your calling app.
**05*[PUK]*[New PIN]*[New PIN]#
PIN & PUK without Mein o2
You didnt register before, and now you are not able to see your PUK or PIN online in Mein o2? Please call our englisch speaking hotline:
We are sure our colleagues will help you.
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