I have several installations of FF (2 desktops, 1 laptop, 2 Android).
All of them use the same sync account and the same master password.
Bookmarks sync fine between all the devices.
Passwords sync fine between the desktops/laptop devices.
Passwords on the Android devices do not sync.
Please help!
Best Answer
Do you use the master password feature on the Android devices? If yes, the passwords won't sync --- it's a known limitation. Workaround: You can disable the master password feature, then wait for (or force) a sync event and then reenable the master password feature. It worked for me that way. (At least it worked for the profile managed by the release channel of Firefox for Android; on a second Firefox installation, with Firefox for Android beta, it did not work this way.)
References: https://support.mozilla.org/en-US/kb/firefox-sync-troubleshooting-and-tips#w_im-unable-to-sync-my-passwords-in-firefox-for-android