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Hello! I've been using Firefox since forever but never thought about using the sync feature until now. On laptop, when I press "sync now", a little spinning wheel appears for some seconds, then disappears. I take this means it has synced. On my android phone (Android 10 - phone's a Xiaomi Mi A2 Lite), however, I seem to have encountered a bug. I connected the two devices together using the QR code and following the instructions, and in fact the phone appears in the connected devices on the laptop version of Firefox. However, when I open Firefox on Android and go to my Account Settings, under "Synchronise now" it says "Last synchronised: never", and tapping it prompts absolutely nothing. No animation, no popup, no phone lagging, no sign it has received any command. If I try going in the synced tabs section (near the private tabs one), there is a big Sync button on the bottom right - pressing it causes it to say "Synchronising..." for about 5 minutes or more, but once it's done, nothing happens, and it keeps saying last sync was never. If possible I'd like not to re-install the app as I have a lot of tabs that I don't want to currently lose.

Hi, not sure what I'm doing wrong, but my logins and passwords simply will not synch between devices. I principally use a desktop Win10 machine, and an iOS version of Firefox. Have double-checked settings on both devices, tried forcing a manual sync from each to the other, all to no avail. Any ideas on what I need to do differently? TIA.

Hi,

I have read through some of the past similar issues with passwords not syncing across devices and the only official answer I seem to find from the Firefox team is to "manually or force sync"...

However that does not work. I have just saved a new login on my mobile, I have manually synced or "sync now" on both my mobile and desktop, restarted both devices and still...this login does NOT appear on my Desktop.

So please help! For all I know there could be other logins saved on my mobile that don't appear on my desktop and vice versa.

I do not want to uninstall Firefox.

Kind Regards, Alex van der Merwe

My laptop crashed last night

I had to reboot windows. I had a lot of passwords saved on my firefox browser How can i recover these passwords? I need them to run software for college

Sincerely Ben Martens

Labelled as "Firefox Sync" as it may be involved, as the only preserved data is seemingly what comes through firefox sync.

Hi all, My C drive filled itself with 50GB of Crusader Kings 3 crash logs.

While the drive was (unknowingly) full, I opened firefox. Firefox was...wonky...and instantly I could tell something was wrong, as my speeddial homepage was missing all the sites. My best guess is that, in the worst timing ever, firefox sync chose this time to sync. I immediately cleared space on the drive, and restarted firefox. No extension data recovered. I restarted the PC. No extension data recovered.

I began following Firefox troubleshooting steps, such as checking about:profile. Other profiles are present, but each lacks any extensions or extension data. I widened my search with Everything, to search everywhere for any waylaid installs or profiles that may hold backups. Specifically, prefs.js, extensions.json, firefox.exe (incase I was somehow running a non-default install location) or any sign of other installations. I did find some hits, but none had extensions installed.

Perhaps useful, my FF profile weave folder is populated with many CORRUPT files, and the 'failed' folder lists addons, bookmarks, clients, extension-storage and prefs from it's most recent sync. Perhaps this is the result of trying to write to a full disk?

This is mostly an exercise of curiosity now, as the developer of Group Speed Dial (Juraj Mäsiar) helped me recover from their own backup system seperate from the Mozilla Preferences. I have an easy way to see if any backup file has the correct data, as I have many settings that are instantly visible.

Useful info: Antivirus - None added (Windows Defender) FF Version - 111.0.1 (64-bit) Profile - default-release

(Moz Helpers, the remainder of this post is irrelevant, and purely to help future travellers) If a weary traveller comes across this post in the future, I gift you my knowledge from the year 2023 of Group Speed Dial. At this time, the way you access the backups on your system is to navigate to the Group Speed Dial homepage. If you are on the default homepage, you should find the option to set it as New Tab or Homepage in Firefox settings. Next, as you face the oblivion of an empty dialler page, click the Burger Menu (top-right for me) for the extension. NOT the firefox burger menu, the one as if you were clicking a menu in a website. For me, the Fourth option is History/Backups. This is a new-ish feature from the developer, so don't be surprised if it move around...be they seem very proud of it, so I imagine it lurks somewhere!

If you just want to recover your extension list, at this time you can find a complete list of everything by examining extensions.js, extension-settings.js and extension-preferences.js. There is a tool online for helping parse into a human readable table, but I would not rely on it, and instead look into a generic JSON formatter to make the data human readable. The site is jeffersonscher.com, which has a extension file reader here https://www.jeffersonscher.com/ffu/extensionsjson.html

Have a nice day all!

Recently I activated 2FA on Firefox. I scanned the barcode by Google authenticator, to make it my code generator.

I'm now trying to enter Firefox on my laptop. After typing my password, when I try to enter one of the generated Google Authenticator codes, I constantly get a response "Invalid code".

I had to use one of the backup codes (out of the 8), and managed to enter my account on the laptop, but none of the logins and passwords were found there (it's empty).

My first question is why does Firefox reject the codes received from Google Authenticator (do I have to cancel my 2FA and define it once again? but I did everything by the book, with GA, and it seemed fine the other day).

My second question: I finally managed to enter my account with one of the eight backup code. Why are there no passwords etc? Aren't they automatically drawn from my usual (existing) account?

The laptop runs Win 10. I installed the 2FA on my main computer, which runs Win 11.

Thank you very much in advance, Eldad

I've spent a long time tidying up the passwords on my main PC. Every so often I did a manual sync too. I also imported into Edge occasionally and I noticed a few sites' details there that I had deleted from FF. Strange! Anyway, I finished the tidy up and went to my Android phone (set up to sync) and did the sync there and it looked OK. I then had the idea to look here for the 'extra' one I had seen in Edge and sure enough it was there! I also noticed lots of others I had deleted from the 'Master'. Changes to passwords had been replicated successfully though. What is the logic for syncing in these instances? I then signed out of FF on the phone to stop the sync and deleted one that was common to both and then signed back in and synced - it did delete it from the PC when I synced that. This makes me nervous to delete them all from the phone when signed out and syncing upon re-connect. So, what is the safe way to make the password details from the PC be an exact copy on the phone - no extras?! My thoughts were to disconnect the phone (but hoped it would remove things), delete the details manually if required, sign back in and re-sync. But I don't want to risk the sync actually wiping out the contents of the PC! Thanks! TL;DR - how can I safely remove the synced contents from one device and then resync it. Currently, the contents across devices is different after a sync.

A recently added computer's Firefox is not available on the "Send Tab To Device" list.

Both computers are logged into my Firefox account and Firefox is syncing. The new computer populated with my extensions and other synced data. The new computer shows the old computer in it's Send Tab list, but the old computer does not have the new computer's Firefox name in the Send Tab list.

On both computers, I can go to the menu / Manage Account and see the list "Connected Services - Everything you are using and signed into." On both computers, I can see the other computer's Firefox name in the list, and it reports "synced a few seconds ago".

But when I use the context menu and try to send a tab under "Send Tab To Device" the new computer is not on the list.

This article does not discuss this situation. For the case of "I don’t see my device listed" it just says "Sign In", but that has already been completed and is working on both systems.

Hi everybody this will be a long question, and I would be really grateful for any kind of help anyone could give me, this is my case:

I use `firefox-sync` to manage all my logins information and firefox-sync's password is the unique password I save manually.

Currently I has problems with my O.S and I decided reinstall it. But also I have 2FA enable for mostly of my accounts, and firefox-sync is not the exception, and firefox-sync's 2FA is based on my gmail, so when I tried get logged on firefox-sync, firefox asks me for my verification code, but my verification code is in my gmail, and my gmail's password is in firefox-sync.

So I lost access to all my accounts, I lose my gmail, github, gitlab, stackoverflow, discord, etc etc... :'(

From the gmail side, I tried all that gmail let me try but unsuccessfully.

So, the only possibility that I see, is recover the information of the formatted partition and rebuild the previous state of Firefox. I mean:

Reading about firefox loggins, and taking a look to firefox's workdir (`$HOME/.mozilla`), I see firefox saves login's info in a json file located in `$HOME/.mozilla/$profile$/logins.json`.

So the basic idea is with a data recovery tool, try recover `.mozilla`s directory and replace it over the current environment so when I start firefox can get access to my login's info. But I'm not sure how much it is possible to recover the whole directory, and if is not posible, my question is:

What files next to `logins.json` should be my recovery targets to replace inside the `.mozilla` folder in order to reconstruct my accounts login information?

When I try to sign into my account on mobile (the app itself, not the site since clearly on the website I'm signed in) I get to a white screen that shows a bunch of details of my account status. I am not allowed to progress past this screen. Any way I leave that screen, closing the app, using back, praying the 'x' in they lower left corner, reverts my login. So sync is not allowed on FF mobile anymore? I wish they wouldn't still list it as an option in the app if it's depreciated and no longer supported. If this is a bug, well you got me since FF also doesn't allow bug reporting.

Hi,

On September 15, 2022 I created this thread here on Firefox Support Forum and now I finally have an answer to the question, but as we can see my thread was archived and I can't update anything, so I decided to create a new thread just to mark my previous question as solved and bring it an answer.

I contacted Mozilla Firefox developers and got a response: Firefox is no longer integrated with Gravatar. Considering this, I can tranquilly say there is no bug or problem with my account as I thought. It's a pity that Firefox no longer support Gravatar integration, and even if I use an old version I will face the same "issue" because the Gravatar integration was a online feature linked to the Firefox account*, not to the browser itself.

Info source: https://github.com/mozilla/fxa/issues/15665

- - -

Admins can now archive and close this thread, I only ask to keep it online to help who may need this information in the future. Thanks.

• Actually I made a mistake when I wrote this, the Gravatar integration was an online feature linked to the Mozilla account, not Firefox. James explained the distinction on #4 post of the current thread.

Last edit: On January 31, 2023 I created this thread on r/firefox but no one answered precisely. This current thread here on Firefox Support Forum also solves what was asked on reddit. The thread created on January 31, 2023 and posted on r/firefox was archived as well, like what happened to my thread with the same theme here on Firefox Support Forum, then I also created a new thread on r/firefox to mark my question as solved.

According to https://support.mozilla.org/en-US/kb/how-set-firefox-sync-firefox-android, there should be a Sync and Save Date option in Firefox Android Menu, but it's nowehere to be found.

Am currently using the latest version of Firefox

See attached screenshot.

Hi

I am a web dev, and need FF help on this. All of my sync data is gone, I sign out and back in twice, I checked the profiles there's only one, all of my bookmarks, plugins & extensions everything is gone. Please I need those bookmarks some of them were very important to me I can't lose those.

Back-story: I recently want to try two distro that I had been on my list from quite a while now, VanillaOS & BlendOS, I worked on those for 3 or 4 days, before switching back to Arch, on both of them everything was working fine, I had all of my data. On Arch I had to reset my password because I forgot. Then the issue started, at first I thought maybe my internet was slow or something but now on the 2nd my data is still not synced.

I even signed out and back in, I checked the profiles(screenshot below). What should I do?

Hi there, I'm hoping someone can help with this. I recently signed into a shared computer with my personal Firefox account, and it automatically imported all my history, my browser extensions, and bookmarks, including personal/secure information that I wouldn't want on a shared computer. I tried signing out and deleting the sites and login information, even going so far as to completely delete all of my browsing history and cookies and signing in with another account, but all the supposedly deleted history and logins and extensions were then transferred to this second account. I have deleted all my data, even uninstalled and reinstalled Firefox, and all the data from my personal account keeps haunting me as suggestions when I type in the task bar or suggested usernames when I log in to websites. How can I actually delete this information so it's not on a shared computer? Thank you!

Good morning!

Since v112.0.2 my Firefox logged itself out of Sync and will not allow me log back in. When I click the "Sync and Save Data" in the pulldown menu, the page spinner just spins and spins. The login page never loads.

Oddly, I couldn't even login to my Mozilla account here to post this. I had to use "Ungoogled" Chromium to load the page. I've never had any Sync issues with FF, that I can remember. This just "appeared" with v112.0.2 and continues with v113.0.

I did try to access the Sync login page while in Safe (Troubleshooting) Mode... no difference, though; same spinning spinner.

I'm running Slackware Linux on a desktop computer. No other changes have been made on this system other than upgrading from FF v112.0.1. to v112.0.2. This is when the Sync issue started.

Any ideas? Any assitance would be very much appreciated. I could just go to Chromium full-time, but I would not want to do that. I've been a Mozilla browser user for 23 years. The Chromium is only on my system as a backup browser, along with SeaMonkey. Yeah... I have a Seamonkey. :)

Anyway, thanks in advance for any help/ideas to allow me to troubleshoot/resolve this.

Regards,

~Eric

yesterday my main computer died - I am trying to work with 2 others (newer actually) - I can get firefox to sync on one of them but not on the other

I tried to delete firefox and put it back on and it still didn't sync

help

Hello everyone

Recently, my Firefox on iPhone crashed (again ...) and after I restarted it, the familiar "restore your last session?" prompt appeared. Acknowledging it however yielded an empty Firefox, with all previously open tabs lost (about 120). Nothing was displayed in history under "recently closed tabs". Normal history however had been retained.

As this instance is included in my Firefox sync account, I hoped I could recover the tabs from there, to no avail. It seems that, after FF crashed and restarted, it just wiped all its tabs from sync.

Most people with similar problems are advised to restore their tabs from browsing history. This is an excruciating task, as it is most difficult to filter through all several months of visited pages and extract just the last instance of all previously open tabs. The small FF mobile menus make this even more difficult.

As I don't think these reliability issues will be resolved soon and backups are prudent one way or the other -- How can I back up the data in FF sync? I've found the extension About Sync which at least shows all tabs from all devices that are stored in Sync. When using the export data function however, only bookmarks are included. So I'd have to do a monthly clickfest, manually opening all object trees and saving the HTML page, which feels most awkward in the "digital age". Also, if this extension is discontinued, I'm f-ed again.

Is there any better way to back up FF sync data?

Thanks and best regards

Björn

Hello,

I have not had any problems with Firefox sync and passwords until recently. I used to use Firefox on desktop, on an iPad, and on an android, with no issues accessing my passwords. Recently I replaced my android phone with an iPhone, and after signing onto Firefox sync on said iPhone, the list of my passwords was accessible on the iPhone, but when i used it for auto-fill, it would only load the username, but not the password. This caused no issue with Firefox sync on desktop or iPad however, so I just let it be. However, after 3 months of no issue, when I open both my iPad and desktop today, all my old passwords are gone, and replaced with the few passwords I directly saved with Firefox on my iPhone.

i have tried restoring my old Firefox profile using backup software to access older files, but I am unable to regain my passwords this way. I have tried using profile data from several date ranges and that has not helped either. The issue seems to lie with Firefox sync with iOS, but I am at an absolute loss on how to resolve this, so any help at all would be much appreciated.