Firefox for Android Community Forum

I'm trying to enable javascript on my firefox android mobile device. But when I type the about:config instruction in the address bar, the response firefox gives me is that it can't find that page. Why can't firefox find this page? I need to enable javascript in order to use my trusted Speechify text-to-speech app.

Hello, Long time user and lover. Never had any problems with your great browser. This past week, on my phone, Firefox has been flagged "high battery background usage" and is continuously trying to put app to deep sleep. What has happened? How do I stop this? Any help or suggestions would greatly be appreciated Thanks Scott

I keep getting a message on screen saying "page refuses to load"; I don't know if it's a problem with the search engine or the browser (I have been using DuckDuckGo as my search engine recently). I haven't used Firefox for years now, and have never used it on my own device so I'm still getting to know it.

Google is the only search engine I've selected for my Firefox Android browser. Often in the last month or so – after I type a search term into the omnibox at the top of my Firefox browser page – a "bing.com" results page opens. In fact, after I tried the words 'bing hijack' in this Mozilla Help page's own dedicated search box (NOT the browser's omnibox) another 'bing.com' page opened with search results This has happened in two different mobile devices that are synced to the same Firefox account. I do use the uBlock extension so I added the bing URL to the "My Filters" list, and my browser is always set for 'Strict' tracking protection. Is there any way to defeat this nonsense?

I now have the problem that I am on a large payment page and switch back and forth between FF and another app (to copy payment-relevant data). Unfortunately, FF does a page refresh every time it is brought back to the foreground from the background. And all the data already entered is lost! This is a fairly well-known problem with FF on Android! Chromium manages this better and leaves the memory management to Android. Why can't FF do that? Why can't I switch off this feature? I can't edit any relevant websites with the FF. I have to use Chrome for that! Hooray!

Galaxy A14 5G

When playing YouTube videos in full screen using

Firefox: the gear button and the "restore screen size/exit full screen" button are nonfunctional (nothing happens when I tap on them).

Google Chrome browser: the gear icon button is nonfunctional.

DuckDuckGo browser: the gear icon button is non functional.

Opera browser: the gear icon button is non functional.

This problem started about a week and a half ago.

I used to be able to hold the back button down so I could see a short history for the current tab, and I'm not sure if it was an update or a bug, but does anyone know if it's possible to enable it in about:config? It's really useful when you're trying to go back but a redirect is preventing you.

On the latest Firefox Nightly builds (I use Nightly for extensions), holding the back button in the Android navigation bar no longer brings up previous pages, like it does when holding the back button in the three dot menu. Is there a config option to bring this back?

Since I have been using Firefox Android from S7 Edge to this S23+ it will not follow system settings for dark mode. If I set it to light mode it's always in light mode. if I set it to dark mode it stays in dark mode, no matter what the system setting.

When switching to another app from Firefox and then switching back to firefox, the webpage reloads. This is not a memory issue, I have enough RAM and it happens even if I only have 1 tab open. This is a major pain when I need to enter a 2FA code and need to swith apps to get the code. Or if I'm watching a YouTube video and get a call, the youtuve page reloads after the call has ended. Please suggest how to fix this.

I own a Samsung Fold 5 phone. I have set the outer display used when the phone is folded to 300dp. The inner unfolded width is set to 601dp.

Up until very recently, when I folded or unfolded my phone, websites would resize. Often switching between layouts made for phones and layouts made for tablets or desktops. This still happens in Chrome. But no longer does in Firefox. Instead the site has the same resolution in both modes, making the text too small to read when folded. This effectively makes Firefox unusable unless I unfold my phone. Please make Firefox respect the resolution I have set for each mode again so I can view websites at a width of 300px in folded mode like I used to.

Note I have the slider for "desktop site" turned off. When I try to turn it on, nothing happens. The slider doesn't activate and the resolution does not change. (But the page does reload.) This used to give me the option of 3 different resolutions for my screen, (300 folded, 601 unfolded, and something like 1024 in desktop mode.) I'm not sure if desktop mode is permanently turned on now, or if the phone is set to permanently use 601 width, but it is definitely not using the 300 width I used to get when folded. The desktop mode slider is to the left and will not change.

I opened site settings and turned off always request desktop site and nohing changed. I am still unable to get the 300 width site I need to be able to use Firefox on a folded phone.

Since I am on my new Phone (Xiaomi Poco F6, Hyper OS 1.0.4.0, Android 14.UKQ1.240116.001), I have this weird thing with Firefox that when I minimize it and then come back a few seconds later, it will automatically reload the tab I was on. Which is extremely annoying because, for example, I was on the Paypal page and was getting my login code from messages, then when I got back on the Paypal page it reloaded and I could not insert the code, but had to click on 'send code' again (and again and again). I saw this issue appear multiple times apparently already on reddit and co. But nowhere I could find an answer to it. Someone? I looked in the battery saver settings and in firefox settings etc, but I can't find anything that makes tabs reload automatically and it makes no sense that anything would clear the cache every time I minimize firefox, no?

Hello all,

I am using Cambridge Dictionary regularly. In that site, when I try to listen how a word is spelled in the US, the last part of the word is not spelled. For example, I am trying to learn how to say " strut ", in the UK version, I hear it completely. But for the US version, I hear "stru" with no t sound. This happens for each word and this problem only occurs in Mozilla Firefox both in Android and on Windows. Is there a way to solve this or I will completely stop using Firefox as I need to use this dictionary very regularly.

For the last few days when I am on the web using Firefox, my android screen is displaying large print - like it is zoomed in. There is no way to fix this. Assuming this is a result of your last fix/update. This needs to be addressed. This is not an issue with any other browser

When using Firefox on Android for a while, attempting to use pinch to zoom on a web site will cause Android to crash, as in the screen will go black, the G logo animation will appear, and I'll be sent back to the lock screen. It's not just the app that crashes. It doesn't seem to be a full reboot as that takes longer and starts with a different animation, but some part of Android is restarting.

It's consistent but not predictable. Pinch to zoom will work on one site fine and then crash on the same site later. It seems to be a resource issue as it's unlikely to happen on a fresh instance and it becomes more likely the longer you've been using Firefox.

This has been happening for several months, since at least July. It's happened both on my old Pixel 6 Pro and my new Pixel 9 Pro. It's happened on both Android 14 and 15.

I eventually found out I could go to Settings > About Firefox > Crashes and get some debugging info, but I don't know what to do with it. I currently have 15 crashes between now and Oct 16th which all say:

java.lang.RuntimeException: Adding window failed

Clicking Share to get more info on the latest one adds:

java.lang.RunetimeException: Adding window failed

at android.view.ViewRootImpl.setView(ViewRootImpl.java:1618)
at android.view.WindowManager.Global.addView(WindowManagerGlobal.java:442)
at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:158)
at android.app.Dialog.show(Dialog.java:352)
[...]

Caused by: android.os.DeadObjectException

at android.os.BinderProxy.transactNative(NativeMethod)
at android.os.BinderProxy.transact(BinderProxy.java:568)
at android.view.IWindowSession$Stub$Proxy.addToDisplayAsUser(IWindowSession.java:1305)
at android.view.ViewRootImpl.setView(ViewRootImpl.java:1596)
... 18 more

I don't know what to do with this info. Should I file a Bugzilla report with just this? The GUID associated with the most recent one is 7a5e5497-bb62-4e3c-94fc-5c63c51d0830. I can't look it up in crash-stats.mozilla.org. Or should I assume all crash reports are automatically received? I'd still like to be able to have a Bugzilla bug to watch for progress.