HI, this probably would have been better to post in Support for Android Phones : https://support.mozilla.org/en-US/products/mobile *https://support.mozilla.org/en-US/kb/firefox-sync-troubleshooting-and-tips You can open about:sync-log via the location bar to see if there are recent error logs available. You can upload a recent log if the log is too big to put in a reply. *https://pastebin.mozilla.org/