Looking for logging into the Upload Mimes Fiori 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 Upload Mimes Fiori site. After that you can login as usual with your login credentials.
https://help.sap.com/saphelp_uiaddon10/helpdata/en/b0/ac433436344d87aa09140f4c7f6ecb/frameset.htm
https://blogs.sap.com/2015/01/02/usingcustomizing-css-in-sap-fiori-login-page/
https://blogs.sap.com/2014/11/05/simple-steps-to-configure-fiori-loginlogoff-page/
https://archive.sap.com/discussions/thread/3826978
http://tassaf.com/replace-sap-fiori-launchpad-logo/
https://books.google.de/books?id=7dILCwAAQBAJ&pg=PA234&lpg=PA234&dq=upload+mimes+fiori+login
http://www.saplearners.com/how-to-change-background-image-of-fiori-launchpad/
http://www.sapui5tutors.com/2016/09/sap-fiori-login-page-configuration.html
http://www.kaartech.com/blog/2018/07/12/how-to-add-forgot-password-in-fiori-launchpad-login-screen/
http://www.sap-admin.com/change-background-image-for-sap-fiori-launchpad-logon-page/
http://fiori206.rssing.com/chan-52140137/all_p33.html
https://community.neptune-software.com/blogs/how-to-tiles-background-picture-what-is-the-rig
https://www.scribd.com/document/329607245/Fiori-Loginpage-Customisation