Overview
- BBVA's mobile app suffered a widespread failure that began around midday on Thursday May 28 and left many customers unable to log in or use biometric authentication for hours.
- Separate but similar intermitences struck Banamex and Santander on Friday May 29 during payroll-day traffic, producing spikes of complaints on Downdetector and social media.
- Users reported failed transfers, inaccessible balances and authentication errors that in some cases affected card payments and SPEI transfers, increasing disruption on a high-volume banking day.
- All three banks posted acknowledgements saying technical teams were working to restore services and advised customers to use alternative channels such as web banking, ATMs or branches.
- The incidents highlight Mexico's heavy reliance on digital banking, have prompted widespread customer frustration and raised questions about infrastructure capacity, transparency and potential regulatory scrutiny.