Frequently Asked Questions
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Online & Mobile Banking
All M&T Online Banking customers who have an iPhone® (iOS® version 11 and later) or Android™ (Android OS version 7.0 and later) device can use our mobile banking app. Customers can log in to the app using their User ID and Passcode.
To temporarily lock your M&T Credit or Debit Card:
- Log into Online Banking and select Temporarily Lock/Unlock a Card from the Services Menu
- Log into the M&T Mobile App, select Card Services from the Menu, and select Temporarily Lock/Unlock a Card
When you’re ready, you can unlock your card from the same menu to begin using it again right away.