How to change my signature key? May 10, 2024 12:58 Updated Follow On the settings page of myTU app tap "Signature Management" and "Change the signature code". Related articles I forgot my card's PIN I forgot the signature key for my app My card's chip or contactless payment is not working What to do if my card was lost or stolen? How to change my address, phone number, or email? Comments 0 comments Please sign in to leave a comment.
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