HI, please ignore everything in this Support article except for the very bottom : https://support.mozilla.org/en-US/kb/forum-response-firefox-sync-verification-email-faq Please make a account at Bugzilla as it says, please explain in detail your issue then complete the last part so that a Supervisor will contact you. Firefox Support does not have access or info about your Sync Account so please follow the above instructions. Please let us know if this solved your issue or if need further assistance.

Thanks. Did what you suggested, bug opened, waiting for it to be solved.