Article updated by Anna 3 months 3 weeks ago - 1 min read I entered a wrong code 3 times and now my card is blocked, what should I do? 3015 K Share If you enter 3 wrong PIN codes, your Nickel card will be blocked and you will be informed by text message. Unfortunately, it is not possible to unblock a card. You will have to replace your card. Share Back to top Also useful How do I replace my Nickel card? 9473 K Follow us on Facebook Instagram Did you find this article helpful?