If you have a defect MitID authenticator and want it exchanged for a new, you might find the guide to ordering and activating a new MitID authenticator helpful.
Guide for ordering of a physical MitID authenticator:
Once you have your new MitID authenticator, you are read to activate it.
Guide to activating your new MitID authenticator. You can follow two processes to do so.
Proces 1. Under the condition that you can log in to MitID.dk using another active authenticator, like the MitID app, then log in to MitID.dk and follow the steps:
Process 2. If you cannot log in to MitID.dk, then you must visit a citizen service centre. Before you visit the centre, it is a good idea to have prepared the following:
Your MitID authenticator is ready for use.
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