The ‘MFA Not Supported’ message generally indicates that your online banking may have security features enabled that Acorns does not currently support.While Acorns can’t make recommendations to change or disable security settings with your online banking account, these features may prevent Acorns from successfully Rounding-Up your purchases. After disabling the incompatible features, you'll want to log in to your bank account from a desktop or laptop computer to ensure your changes successfully completed.
After successfully logging into your online bank account, open a new tab or window and login to your Acorns Core account here, and complete the following steps to link to your Round-Up Account through Acorns.com:
1. In the upper right corner, click on the Personal Avatar icon
2. Select Settings
3. Under Personal, select Linked Accounts
4. Under Linked Cards & Accounts, select Add Account
5. Search for your bank
6. Connect using your banking credentials