This is all I have on Sync : *https://support.mozilla.org/en-US/kb/how-do-i-set-sync-my-computer *https://support.mozilla.org/en-US/products/firefox/sync *https://support.mozilla.org/en-US/kb/how-do-i-choose-what-types-information-sync-firefox *https://support.mozilla.org/en-US/kb/firefox-sync-troubleshooting-and-tips There is contact info in this and yes do have to create a account and wait : https://support.mozilla.org/en-US/kb/forum-response-firefox-sync-verification-email-faq Please let us know if this solved your issue or if need further assistance.

You can try to log in to the Firefox account via this website. *https://accounts.firefox.com/signin *https://accounts.firefox.com/settings