FAQs for Single Sign-On - Salesforce
https://help.salesforce.com/s/articleView?id=sf.sso_tips.htm&language=en_US&type=5
WEBAn admin can use the standard Salesforce login page to log in with their username, password, and MFA, and then they can disable SSO until the problem is resolved. Access the standard login page by modifying the Salesforce URL. You can add login as a query string parameter, for example, https://northerntrailoutfitters-dev-ed.my.salesforce.com ...
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