Looking for logging into the Facebook Page Another User site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Facebook Page Another User site. After that you can login as usual with your login credentials.
https://hi-in.facebook.com/notes/facebook/log-in-with-your-facebook-username/138003612130/
https://www.facebook.com/help/community/question/?id=895852213815052
https://www.facebook.com/help/804757836392387
https://www.quora.com/How-do-you-login-a-different-user-on-Facebook
https://promediacorp.com/2010/12/facebook-lets-users-login-as-page/
https://itstillworks.com/login-account-facebook-someone-elses-computer-20022.html
https://stackoverflow.com/questions/53278482/how-to-redirect-to-another-page-after-facebook-login-in-codeigniter
https://blog.avast.com/2013/03/25/fake-facebook-login-pages-spreading-by-facebook-applications/
https://help.getmevo.com/hc/en-us/articles/360002067947-Log-into-a-Different-Facebook-Account
https://thenextweb.com/facebook/2010/12/16/facebook-adds-a-switch-accounts-feature-for-easier-page-management/
https://www.rtservices.net/how-to-add-users-to-your-facebook-business-page/
https://www.andreavahl.com/facebook/facebook-changes-log-page-like-pages.php
https://community.spotify.com/t5/Accounts/Connecting-to-a-different-Facebook-account/td-p/5641