You need to activate your ATM/Debit card within 90 days through the Citi Mobile App, Citibank Online, any Citibank ATM in Hong Kong or by visiting any of our branches.
For clients who is currently holding Visa Debit card, you will also need to activate the online purchase and contactless payment functions for your new Debit Mastercard through the Citi Mobile App, Citibank Online, or by visiting any of our branches.
For more details on how to activate, please visit www.citibank.com.hk/cardactivation