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I am trying to sync my computer and phone and it sends a code to my email address. but out of the 3 times I have tried I have received 2 codes but at least 20 minutes after sending so I cannot use them. I am using Thunderbird for my email

Firefox deleted my entire browsing history while signed in with syncing on, with no user interaction. This should never happen. What is the point of Firefox sync if it does this?

I believe I got an automatic update to Version 154.0 yesterday on my Windows 11 laptop. When I opened Firefox after the update I got stuck

My Bookmarks appear to still be available, but my passwords are gone. The passwords are still available on my iPhone and iPad

I have tried syncing to no avail.

I need my passwords. How can I get them back?

Hello, I have an issue with the history not being synced between my Android smartphone and my Windows PC/s.

History synchronizes just fine between my PCs (Win 10/11). Other sync functions between my phone and PC work just fine - checking the open tabs on another device, sending a tab to another device.

I am currently using 2 "sets" of Firefoxes on my devices with 2 different accounts, and the issue is present on both:

Set 1: Firefox - PC1 (Win10), PC2 (Win11), Phone (Motorola Edge 40 NEO) Set 2: Firefox Nightly - PC (Win11), Phone (Motorola Edge 40 NEO)

I already updated Firefox everywhere, logged out and in, cleared the cache & storage, restarted my phone etc.

why did firefox delete most of my shortcuts on my old pc after i synced with my new laptop and how do i get them back. I am a senior of 71 yrs not a computer tech.this just screwed everything up for me!HELP!!

Hello

I've installed Firefox Standard Stable on Windows 11, signed in to my Firefox account, and browsed for about 3–4 days.

I decided to use it on my phone too. After installing it and signing in with the same account on my Android device, about 2,200 browsing history items appeared on the phone.

I don't know why. Before browsing, I always cleared my history on my PC using the following options:

CTRL+SHIFT+DEL and selected Everything, with all 5 options selected.

The browsing history data only appeared on the phone.

My concern is: the data must have been downloaded from somewhere since it was cleared on my PC. So, where are those 2,200 history items stored in the cloud, and how can I delete them?

I don't care about my browsing data. If it were sensitive, I would have deleted my Firefox account by now and used the app without an account.

I love Firefox, and this is a big concern that should be addressed ASAP.

Thank you for looking into this.

Hi there, I have been using the Firefox browser for many years and had saved all my login passwords to various sites on it and I never had a problem with it. But this time, after installing Windows and the Firefox browser, when I logged into my account and turned on the sync, it did not bring any of my previous information. When I go to my account management page, it writes my membership date at the bottom of the page as of today (2026), while as I mentioned, I have had an account on the Firefox browser for many years. How is it possible that my previous information does not exist and it recognizes me as a new user and what is the solution?!

Sync does not transfer settings; preferences, extensions, etc. on mobile and there does not seem to be a way to do so at all. Terrible user experience setting up a new phone with Firefox.

I have linux LMSDE7 Mint, Firefox will not sync. I click on the 3 top right corner lines, sign into Mozzilla, the bookmarks have not synced. Then if I go back to the same lines, it has still the "sign in" field, clicking has no reaction. It seems that mozilla is not signing in I have an other linux version, winux, there I have no problems, it syncs ok.

I am trying to sync my Firefox from my old laptop (Windows 10) to a new laptop (Windows 11) Mozilla sends verification code to my email, but my email is so slow that by the time this code arrives it already expired. a) Can verification code be sent to my phone? b) if not, how can I increase the time allowed for imputing the verification code to wait until I receive the code?

Hi, I need help retrieving my Saved passwords, Bookmarks and History. I have recently changed my mobile phone and Laptop. I've logged in on both items. I can't find my password, its clean. I can only see the visited sites that were on my new mobile, but nothing from my old laptop even after login and Sync

When I frequently turn off my computer using the system unit's power button, meaning a quick shutdown, after several such shutdowns, when I launch the browser, I'm prompted to log in again. Bookmarks that weren't synced disappear. And I'm also logged out of all the websites I was logged into, forcing me to log in again. Cachyos Linux.