You can update the donations or card information in two ways, depending on which platform you are donating through, the MessengerX app or the Donor Portal.
If you donate through the MessengerX App, update your donation information this way.
Open the MessengerX app
Tap the three‑line menu
Select Donate
Tap your recurring donation
Update the credit card details there
If you donate through the Messenger International Donor Portal, use this method.
Click the … (ellipsis) in the top right
Choose Payment Methods and edit or add a new card.