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No matter what I do, sometimes, Firefox on my phone won't sync and it's driving me crazy to be honest. I don't know why it happens, it has no fixed schedule and it seems to go away on it's own in a seemingly random amount of time. In this instance, as I'm writing this I've been trying to sync with my PC for over an hour and it simply refuses to sync. I've tried restarting, force stoping , clearing cache.. Nothing. In the past I even tried reinstalling and for it to sync it took a while. I'm lost with this bug and it's been happening for a while now, I was hoping for a fix but so far it seems it hasn't come.

Please let me know if additional information is needed.

Obligatory, I apologize if this question has already been asked or worked out elsewhere. But I have tried searching for a solution on the forums here and not one solution could be found, so here I am:

At the time of setting up my Linux PC for Firefox Sync, I was signed into my Firefox account on my mobile but syncing had been paused on my mobile for some reason or another. No biggie right? Should just be able to enter my credentials into my PC browser and start syncing right away? In the past when I had got signed into sync on the PC, everything across the board would sync as I had just my bookmarks, add ons, and settings set to sync. Bookmarks would load right up, all my add on prompts would open their own tabs to finish setting up, and everything was peachy.

However, when I went to get things setup on my new PC today, using the proper credentials and all kinds of authentication methods, I am able to sign into my firefox account on my PC with no issue, except for the fact that nothing is syncing up with my existing mobile account.

I have done everything I know that is in my power to do, with the exception of reinstalling my mobile app (will lose my bookmarks if I do), I have uninstalled and reinstalled on my laptop, signed out of both devices and signed back in with my account credentials to no avail. I went so far as to just create a new Firefox account with a separate email address, and using the NEW email address when signed into both, I am looking at the "Sync Now" button on my mobile with hatred, because clicking on it literally does nothing. It shows as last synced being "Never". My PC is logged in to Firefox now with the new email address and clicking sync there, it will run through the normal process but as there seems to be no data coming from my my mobile, it syncs nothing. I can see both devices under "Connected Services" as well.

I know I screwed up somewhere and now the entirety of my life's favorite bookmarks and websites are stuck on my phone. To my understanding there is no JSON style file created in Firefox mobile, with no ability to manually export. I am not above manually going line by line through each bookmark and just adding them one at a time into my PC, but I would rather not.

In summary:

- PC is not syncing to mobile bookmarks which are very much still in existence - Creating a new Firefox account and restarting the sync process from scratch does not work - As of creating and logging into the new firefox account, clicking sync does absolutely nothing on mobile, and still shows as having never been synced

Hello,

I have been using the same Firefox Account with Firefox Sync for several years.

I always reinstall Windows using a full disk format, and I have done this many times over the years. I have never signed out of my Firefox Account before reinstalling Windows, and Firefox Sync has always restored all my passwords, bookmarks, history and other synced data without any issues.

This time, after performing the same clean Windows installation and installing Firefox again, I signed into the same Firefox Account using the correct email address and two-factor authentication (Authenticator app).

I have verified that:

I am signed into the correct Firefox Account. Two-factor authentication works correctly. Firefox Sync is enabled for Passwords, Bookmarks, History, Tabs, Add-ons and Settings. Only the two new passwords I created after reinstalling Windows are present. All previously synced passwords, bookmarks, history, tabs and other data are missing. My Mozilla Account now shows only the new device. The previous computer is no longer listed.

I also checked the Firefox Sync log. It contains entries such as:

No metadata record Fresh start Wiping server data

Since I have successfully restored my Firefox data after many previous clean Windows installations using this same Firefox Account, this behavior is unexpected.

Could you please check whether my Firefox Sync storage still existed before this device connected, or whether it had already been reset or become empty?

Is there any possibility that my previous Sync data can still be recovered from the server?

Thank you for your time and assistance.

Need help please to fix this problem: Firefox does not open QR codes on my iPhone. On my phone, the toggle for Scan QR codes is turned on. I open the camera on my phone, point it to a QR code on my laptop screen, Firefox on my phone opens in a new screen -- but nothing happens. What is missing? Thanks for helping me.

So I just switched OS on my desktop, and had to log into Firefox all over again for the first time in a bit, and it turns out that for some reason my saved passwords arent synchronising with my whats saved on my phone? In the past my experience have been that if I ask firefox to save my password on one device it remembers it on all my devices. Is this not the case? Is there something I need to do to manually synchronise?

Firefox is disconnecting my account every time i restart the browser. I've made sure it's not set to clear data when restarting. I found a support forum post for mac where they weren't installing it and were running it from the dmg, but i'm using the firefox that was installed during cachy installation, which firefox gives /usr/bin/firefox, when runnign it from terminal (or anywhere) the command in btop is /usr/lib/firefox/firefox. its really frustrating because i lose my session data, have to log back in again, have to redownload all my extensions, ahve to reconfigure all my extensions every time the browser restarts

I'm on CachyOS on COSMIC de with a btrfs file system. I've tried uninstalling and reinstalling firefox. I've tried making a new profile. I really don't want to use a different browser, but this isn't functional.

Hello,

I actually noticed earlier that, on Android, Firefox was saying the last sync was 11 hours ago. I tried to sync but it didn't do anything, as if the button wasn't there at all. I tried restarting my phone, disconnecting firefox on my phone from my computer, disconnecting firefox on my computer from my phone and all these things did was that, now, it says it had never sync.

I'm a bit lost, I didn't find any solution for that.

Hi! Today I synced a tab from my Android device to a desktop PC. The link arrived successfully, but on the Android device many many inactive tabs disappeared without a trace(searched history, recently closed etc.). looking up about:sync-log I only got txt files of errors, no trace of links. Can you help me get back my closed tabs? TY

I changed the password of my Firefox account recently, which logged me out of my Firefox iOS app. When I'm prompted to scan the QR code to re-establish the pairing, nothing happens. When I choose to use email instead, I get "unexpected error". This happens every time I try to re-pair. Please help me sign in to Firefox iOS.

Hi ich habe versucht, die einstellungen zum einem fehlgeschlagenen login mit hilfe von chaptjpt zu verbessern. habe dadurch mein konto verändert. mein password neu erstellt und wiederherstellungsschlüssel ist nich korrekt. auf dem iphone ist alles drauf aber mit dem sekundären email adresse und das password ist auch weg wie kann ich die einstellungen lesezeichen auf den firefox im rechner übertragen?

schon mal Danke für die Hilfe

Hi everyone,

I’ve been experiencing synchronization issues with Firefox lately.

Current situation: Tabs sync correctly between devices, but bookmarks and passwords no longer sync between my iPhone and my computer.

I’ve also considered an issue with profiles, I currently have three Firefox profiles:

• default-release (currently in use)
• default
• default-release-1

I also used Firefox Troubleshoot Mode (restart with add-ons disabled) to test the issue.

sync-log : The sync-logs show many success-sync entries and only a couple of error-syncs. There are no obvious connection issues (I’m using a shared connection in a rural area). However, bookmarks and passwords are still not syncing properly across devices.

Observed behavior: Sync is active and "functional" Only specific data types (bookmarks and passwords) are affected The issue persists even after signing out and back into Sync, and restarting Firefox on both devices

Checks already done: Sync is enabled for bookmarks and passwords Sync logs mostly show successful operations rather than errors

Hypothesis: A Firefox profile conflict

Question: How can I restore Sync properly without losing my bookmarks, passwords, or other data?

Thank you for your help.

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