How do I lock/unlock my Visa Card? 25 May 2026 06:47 Updated You may follow the steps below to lock or unlock your Visa Card via the TNG eWallet app.Navigate to the Cards section in the TNG eWallet appSelect Visa CardsClick on the Lock/Unlock Card button. Related articles What should I do if my card is lost/stolen? I entered my 6-digit card PIN incorrectly too many times and now my card is locked. How do I verify my account? What Is Auto Debit? [Phone Services Flow] Who should you call?