Fórum da Comunidade de Firefox

Today, 17Sept2026 I want to synchronize my bookmarks, extension and profile data to a new Laptop. From Profiles I see more than one default backup. Says Sync not working for my version of Firefox for one help page, but Syc is ON from Account and Syc. Everything went automatically on old Laptop. Give procedure or page to do this on new machine. From this PC I see multiple "Default" profiles. Which to use? Or does this happen automatically if both machines are on? The latest is Today, updating every few seconds

Hello,

I discovered that my android application was no more synced. I follow the procedure until Firefox must normally send me a code to my email address. The address indicated is correct but i never get this code. I try this 2 or 3 times before contacting you. Could you help me and verify if this process is well working ?

Regards

Dear Sir I had Firefox on my Sony mobile phone for quite long years, I deleted it by mistake today, how can I get it back. My Sony mobile phone is Android 7 . I tried to recover it from my computer and I got QR CODE I took a picture then do not know how to do after that. Can you please help. Thank you. Louise.

Why is it when I'm not signed in to my Firefox accounts on both my laptop computers or syncing is turned off, do my Icons change from say Facebook icon to world Globe Icon (Default).

Computer 1 has Facebook Icon(Water Landscape) Computer 2 has the World Globe for Facebook Icon. (M&M Candy)

When I delete World Globe Icon on #2 and replace it with Facebook Icon, it switches my Icon on #1 to the World Globe Icon. Also, it changes the alignment of my Icons on my desktop as well, rearranges them, put it in a different spots. This has never happened before for over 8 years, now all of a sudden, here we go and I am not sure how to stop this.

I logged into firefox on new computer and synched but none of my bookmarks or passwords showed up -- what can I do to restore? Can I import them from iphone? Note that my old computer doesn't work, so I can't import files from it yet.

Hello,

1. sync
2. widgets

Unfortunately, not all settings are synchronised when I sync my settings through my connected Firefox/Mozilla account.

For example, the following `about:config` preference is not saved:

`browser.newtabpage.activity-stream.widgets.system.enabled = true`

In addition, several settings from the regular Settings menu are not synchronised either, including:

- Start page settings - The custom ordering of search engines under **Search** - The option to NOT save payment methods & addresses - The option to NOT automatically trust installed certificates - secure DNS over HTTPS (DoH) activated with provider & fallback behaviour set

This is frustrating because I have to go through all the settings again after syncing. In some cases, the behaviour also seems inconsistent—for example, the checkbox for automatically trusting installed certificates does not always retain its selected state (sometimes it is unchecked[desired] and on other occasions it is checked).

Could you please investigate whether these settings are intended to be synchronised and, if so, why they are not being saved?

A reliable sync feature should reproduce the desired configuration consistently, including all stable settings—or, at a minimum, clearly document which settings are excluded from synchronisation.

Best wishes, RaphiQ

In the previous version, whenever I clicked sync, my browsing history was updated automatically. Why is this no longer working after the recent update?

I always use Firefox on my 2 devices (PC & laptop) and keep them synced. However, after the latest Firefox update, the sync feature stopped working. My Firefox history from the past two days/yesterday on my PC has not been synced or imported to my laptop

I purchased a new Apple laptop, a MacBook Neo, & need to import bookmarks from my old MacBookAir to the Neo. No success thus far after going to Mozilla article "Sync bookmarks...." & following those instructions.

I'm not sure how long this has been happening (maybe at least a month), but my browsing history isn't syncing properly between my desktop and phone. Previously, my desktop history was syncing to my phone, but not vice-versa. Bookmarks, passwords and tabs are syncing perfectly fine. I've tried enabling/disabling sync settings and signing out and in again and now my phone history is syncing to my desktop, but my desktop history has stopped syncing to my phone. While having the full browsing history on my desktop is preferable, it would be ideal for it to show up on both my desktop and phone.

I moved bookmarks from old mac to new mac so I can visit all my websites. However no user names and passwords load on the new mac. I hit sync over and over and nothing happens. Thx in advance for your help.

I have toolbar bookmarks on PC with windows 11, firefox 155.0 (64-bit). and I have android phone, Samsung S26 Ultra with firefox, logged in with the same user. However, on mobile I could see a synced bookmarks which are removed long back from the desktop. I have tried to clear cache and data and re-login on mobile device firefox, still it shows the old bookmarks which were existing few weeks back. please advise

I was in the middle of setting up a secondary profile with sync when the browser froze and became unresponsive for a few minutes. I killed the task and reopened the profile, it lacked the theme color I'd chosen and sync was not enabled. When trying to enable sync, I got the error message shown in the screenshot. To be clear, the profile it's asking me to switch to 'is' the profile I'm in. I've tried deleting the profile and the associated files from About:Profiles, but this issue persists.

I've also followed the steps contained in this issue and associated issues, but the profileID already matches: https://support.mozilla.org/en-US/questions/1581151

How can I resolve this so that I can sync this profile?

I have been trying to sync my phone and laptop. Every time I try it only shows my laptop under "my devices" even though I have logged out and logged back in on my phone through the qr code. I am not sure what to do.