I understand that there are 21 bookmark folders on another device. However I do also know that there are 4 folders listed under Desktop Bookmarks.

Currently bookmarks in Firefox sync are set to merge. Sometimes this does not always keep the exact same folder structure.

In order to troubleshoot, it is possible to clear the Firefox for IOS cache and attach the device to the account once more.

I scoffed at this reply, but upon trying it, IT WORKED! My unsorted bookmarks are in their proper place, and all of my other 21 folders are under Favorites just as on the desktop version. Bravo!

so how do you

"clear the Firefox for IOS cache and attach the device to the account once more."?

For me, Bookmarks are not syncing at all! :

When i try to find my bookmarks

on iOS, there are only two items there: "the mozilla project" and "Firefox help and

support"!

There's not even a folder called desktop bookmarks or anything that i can see.  i have not 

been able to actually get my computer's bookmarks onto the phone!!!

i have restarted several times (PC, and PC's firefox , and phone's firefox), and gone into

my sync settings on both my computer and my phone, two days in a row now... but even though my phone SAYS it synced,and i have forced the sync a couple times

more, it STILL doesn't show my bookmarks.

Please help! - what can i do?

BTW, i also could not even login-- my iPhone kept saying my password was incorrect tho' i know for sure it was correct, so i finally had to reset my password, then could login yesterday. but today, again it will not let me login, even with my new password!