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 the signature key for my app I forgot my card's PIN What to do if my account has been blocked? How to change my address, phone number, or email? How to access my card details via the mobile application? Comments 0 comments Please sign in to leave a comment.
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