Download Firefox Mifumo na Lugha Nini mpya Faragha Give Firefox a tune up Onyesha upya Firefox How does it work? Shusha nakala safi Back up your data Sync Sync your Firefox data. Zote All articles and threads Maalamisho Profile Sync Katika Kiingereza Back up and transfer your Firefox data to a new device How do I set up Sync on my computer? Sync Firefox data How do I choose what information to sync on Firefox? Why can’t I use Firefox sync with my Google or Apple ID?