Looking for logging into the Firefox Sync Not Working 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 Firefox Sync Not Working site. After that you can login as usual with your login credentials.
https://support.mozilla.org/en-US/kb/firefox-sync-troubleshooting-and-tips
https://support.mozilla.org/questions/1230205
https://support.mozilla.org/questions/1204315
https://support.mozilla.org/questions/1225500
https://www.thewindowsclub.com/firefox-sync-not-working
https://www.reddit.com/r/firefox/comments/98a6t2/can_anybody_check_the_firefox_sync/
https://superuser.com/questions/1109874/firefox-passwords-on-android-do-not-sync
http://forums.mozillazine.org/viewtopic.php?f=47&t=3027783
https://github.com/mozilla/testpilot/issues/985
https://github.com/mozilla-services/syncserver/issues/152
https://www.techsupportalert.com/content/lastpass-not-working-firefox-its-not-just-you.htm
https://mozilla.github.io/application-services/docs/accounts/welcome.html
https://lockbox.firefox.com/faq.html