There has been a problem, a bug was filed and I had hoped by now this would be resolved. I do not have a working 2nd device at the moment and so am not able to check myself whether sync is working again yet. I may have expected it to be fixed quickly, but I note a bug was filed and is still open as unresolved. You may be interested in watching this discussion: * [/forums/contributors/708662] ** and search [https://support.mozilla.org/en-US/search?q=&num_voted=0&num_votes=&asked_by=&answered_by=&q_tags=sync&created=2&created_date=09%2F01%2F2012&updated=0&updated_date=&sortby=0&a=1&w=2 listing] The forum thread lists some other specific threads where users have reported problems with sync emails. The search listing shows recent posts about sync.