For Firefox Sync to work, you need 1. login to your Mozilla account on both devices (desktop and mobile) 2. start sync in both devices via menu (should be there after you log in) 3. both devices are connected to the internet More information: https://support.mozilla.org/en-US/kb/how-do-i-set-sync-my-computer Regarding home page, you can set it as your wish https://support.mozilla.org/en-US/kb/how-to-set-the-home-page