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I'm having the same issue as previously posted below. I am on a Google pixel 7 pro.

"On youtube mobile site or a reddit video, when I click the bottom right button to fullscreen the video, a message pops up that says 'entering fullscreen mode' (with a firefox logo on the left of the message) and then firefox closes and I'm at my android home page

This seems to happen when I watch videos in a new instance. If I reopen firefox to the video and then try fullscreen again, it goes full screen no problem. So basically it's annoying and happens when I try to watch any video full screen for the first time.

Is this a known bug? Wasn't an issue on my old phone (I just got the galaxy s23). "

"Hi there! I've been experiencing some difficulties with the Mozilla Firefox mobile browser on my Android device. Whenever I try to open certain websites, the browser crashes unexpectedly. I've tried clearing the cache and reinstalling the app, but the issue persists. Could you please provide some guidance on how to troubleshoot this issue or any possible fixes? Thanks in advance for your help!"

Firefox Update 124.2.0 (Build #2016012559), 7a0e399c7b+ GV: 124.0.2-20240401114208 AS: 124.0

Fire HD 10 (11 generation) Build 0029294005124 FireOS 7.3.2.9

Logged into Mozilla, Sync now does nothing, "Last synced: never" Also crashes frequently all since last update.

I have read the thread for this similar problems, tried all the suggestions but I'm Still experiencing videos not staying full-screen. Is there any other solution to it? This has started since yesterday but everything was fine before then.

On YouTube the video will start playing but the rectangle it should be in will still be black, refreshing usually works. Sometimes a video will simply stop playing. Sometimes i have to close all apps and restart the browser twice to get it to work. Sometimes trying to go to full screen will crash the app. Sometimes popping the app out of full screen into a floating window crashes it. This one is new, it's the uploaded screenshot, it crashed mid video and made the video look funny.

So usually ill be playing a youtube video, and eventually the frames will stop and then firefox will crash, with the

Sorry Firefox crashed error

Now i just got a new Tablet my partner was using with no crashes and im crashing on that too, so it could be an account issue?

Already tried clearing cache and data and having no Addons Any help would be appreciated :)

I have tried to reinstall the application, but it doesn't seem to work. Whenever I start again to sync my account in Firefox for iOS it begins to stop unexpectedly; after 2 to 3 seconds that I reopen the browser, it asks if I want to restore the previous (empty) session and then - without any input from me - it crashes again. I've tried everything, but seems that nothing works after syncronization. Present configuration: iOS 16.1.1 iPhone 13 firefox for iOS: version 107.2

The tab keeps crashing:

bp-6ab50b7b-01af-46cd-a55d-313f70221019

Tried new install, troubleshoot mode and deleting cache. Issue persists. What else can I do?

Steps to reproduce : - go to YouTube - open a video - press the full screen button or tilt the phone sideways to trigger full screen - Firefox crashes and forces back to home screen - if opening Firefox again only half of the video component shows as in portrait mode, rest is black screen - if attempting to go side/full screen does properly show the video, but going back again to normal screen still shows the half black screen

I can reproduce this with a almost 100% rate, it only fixes itself by restarting Firefox, where it will work until phone is put to sleep mode.

I tried reinstalling Firefox from scratch, as well as deleting my browser cache and it didn't fix.

Ever since the new update my Firefox has deleted all my tabs and won’t let me open any urls. I’ve already uninstalled and reinstalled the app to no changes. The only solution I’ve seen that could work would be sending my log report, yet haven’t found anywhere to post said log. Overall I’m lost at where to solve my problem with my app crashing. For context I’m using an iPhone that’s currently running iOS 14.

Sometimes when I click full-screen on a video, the app view disappears, and I am back out on the home screen. I still hear the video, and can switch back to Firefox and try full-screen again. It usually (maybe always) works the second time.

When it happens, I can briefly see the video go full-screen and rotate to landscape. When the view has disappeared the screen rotates back to portrait. Whenever a video stays in portrait mode when going full-screen, the problem does not occur.

Even when closing firefox, I can still hear the video. So I think it is related to this issue: [https://support.mozilla.org/en-US/que.../1420245]

What I have tried:

• Switching versions of firefox, they all have the same issue; Firefox, Firefox Nightly, and Fennec.

• Clearing cache and disabling add-ons has not worked, but seemed to make it happen less frequently for a while (not sure).

• I tried activating automatic screen rotation, but this made the problem worse. It would then not work the second time and firefox would only display part of the website in the top right corner of the screen. Closing it and re-opening it multiple times did not work. I had to turn auto-rotate back off.

• I'm using the KISS launcher. Tried switching to various other launchers, but it made no difference.

OS: Calyx OS 4.12 HW: FairPhone 4 Firefox: Fennec v116, Firefox Nightly Add-ons: uBlock Origin, Tampermonkey

My Firefox on my iPad alsways crashes when I try to select a synched tabs from another Firefox on a different device. The tabs from the other devices show up and the sync is always up to date, but the windows does not react on any interaction, instead the Browser crashes after about 1 minute of inresponsiveness and returns to the home screen of my iPad. I already discenneted and reconnected the Firefox account used for sync on this browser, it did not help. I use the same Firefox version on my iPhone and that does not have this issues, selecting tabs from other devices works as intended.

Firefox version: 114.3 (31916) iPad OS: 16.5.1 (did not work in iPadOS 16.5. either)

Dear Mozilla support,

For a while I have the problem that when I want to watch a video fullscreen on a website e.g. youtube, inline video etc. Firefox stops and completely closes. This is only the first time when I play the video. When I re-open the browser I can continue watching the video fullscreen without any problem. I don't receive any error messages.

Attached the specs of my phone and Firefox browser.

Kind regards, Rick

Hello,

I am getting a frequent freeze in the Android app and then shortly after a crash. Info: - happens on FF, FF Beta, and FF Nightly,and reinstall/phone reset didn't fix. - Samsung Galaxy SM-G965U running Android 10. - every error starts with java.lang.OutofMemoryError. - it never happens just on startup, just on auto fill, or some of the similar crash reports I've seen around here. - it does appear to be site-specific, but sometimes the site works and sometimes it does not: if I close the last tab after a crash, it will usually work for awhile. - Sync and disabling Add-ons doesnt fix it, although perhaps its worse with uBlock Origin enabled (not conclusively)

Thanks for any suggestions.

edited for clarity

My Firefox crash on my iPhone (IOS 16.2) since 108 update BUT ONLY when I connect/sync to my account (if I don't try to connect to account it works fine, but its then quite useless). Each time I reconnect =) CRASH (pop up says "hum firefox as crashed. do you want to reopen? I click ok = it recrashes again and again) I'm getting to you as I've tried ALL solving problem issues I could find but none seems to work. Basically I have: - Desinstalled and reinstalled the App (from store or link) 10 times already. - “Repaired” my Firefox account on PC in case it had someting to do with it. - Posted the issue on Apple IOS support which answered that if it runs ok on Mac PC then pbm come from Mozilla not IOS. - Posted the issue on French Mozilla support 5 days ago and get no answer NOTHING works and I can not get a crash report as FIrefox is not accessible once it has crashed right? Can any one help please? Thanks

About a week ago my phone (Sony Xperia ZX2 Premium running Android 10) started 'crashing to the lock screen' whenever a download finished in the mobile version of Firefox. If multiple files are downloaded in short succession a popup will appear informing me that the 'System UI keeps stopping', with a prompt to close the app or to get to the app info (see the attached photo - clicking either option sends me back to the lockscreen, with the only difference being that after unlocking the phone the former will have stayed with Firefox in focus, and the latter having opened the Settings app on the System UI entry).

Going to about:crashes shows no recent crashes on Firefox's ends. (Plus, Firefox shows no signs of having been closed [like tabs being reloaded] after unlocking the phone again post-crash). The issue currently only happens when downloading a file through Firefox; downloading a file through Edge, Discord, or the Google Drive app produces no problems.

I have already tried force-stopping and restarting Firefox, restarting the phone, and clearing the download history with no luck. Furthermore, I have also checked for updates for the system, the Google Play Store, and Firefox for Android, however all of them were already up to date.

Any help would be sincerely appreciated.

Firefox on iOS crashed when I toggles the inactive tabs button on and off and I had about 48 tabs as well 300 + private tabs open for years and when I clicked on the restore tabs button, it did not work and nothing came back. Can you please help me restore the session? I really need those private tabs back so I can save them accordingly. The history is there for the normal tabs but the private ones are the ones I really need back. I just need to be able to restore that session. I can provide log files as needed. I would really appreciate it. Thank you.