How can I freeze my card? December 14, 2020 22:19 Updated Follow From the Account tab, choose Freeze card. If you find your card again, just tap this again to unfreeze. Related articles What happens if I lose my card? What to do if the HyperJar Kids Card is lost or stolen What happens if I lose my card and my phone? How will you protect my data? What do I do if there is a transaction I don’t recognise? Comments 0 comments Please sign in to leave a comment.