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When using the native translation tool in Firefox for iOS to translate an English page (specifically tested on Wikipedia) into Portuguese, the translation is incomplete and inconsistent.

This behavior mostly occurs inside collapsible sections (the topics that expand and collapse when you tap the arrow icon). The translation failure is not just on a paragraph-by-paragraph basis; it often occurs partially within the same section, where some sentences are successfully translated while others right next to them remain entirely in English.

Ios 18.7.8(22H352) Firefox 152.4(74210)

Steps to reproduce:

   Open Firefox on iOS.

   Navigate to an English Wikipedia article (mobile view, which uses collapsible sections).

   Trigger the built-in Firefox translator to translate the page to Portuguese.

   Expand one of the sections using the dropdown arrow.

Expected result:

The entire text, including all sentences and paragraphs inside the expanded sections, should be fully translated into Portuguese.

Actual result:

A broken, partially translated layout where some sentences/paragraphs are translated, but others immediately below (or within the same block) remain in the original English.

(Note: Please attach your screenshot showing the open section with the arrow and the mix of Portuguese and English text).

Firefox Sync is not syncing bookmarks from Windows to iPhone.

The issue persists even after creating a completely new Firefox Account, creating a new Firefox profile, reinstalling Firefox, and testing on a different network.

Environment Windows 11 Firefox 153.0 (64-bit) Firefox downloaded from mozilla.org (not Microsoft Store) Firefox for iPhone (latest version) VPN disabled Windows Defender only (no third-party antivirus) Problem

Bookmarks created on the iPhone never appear on the Windows PC.

Bookmarks created on the Windows PC also never appear on the iPhone.

The iPhone currently contains more than 1,000 bookmarks.

Tabs and account sign-in appear to work normally, but bookmark synchronization does not.

Troubleshooting already performed Created a new Firefox profile. Reinstalled Firefox. Created a completely new Firefox Account. Signed out and signed back in. Reset Sync. Verified that bookmark sync is enabled. Confirmed services.sync.engine.bookmarks = true. Tested with VPN disabled. Tested using a mobile hotspot instead of the home network. Verified DNS resolution using nslookup. Verified Mozilla servers are reachable from Chrome. Confirmed Firefox DNS settings are default: network.trr.mode = 0 network.dns.disableIPv6 = false Sync log observations

The Sync log reports that bookmark changes are detected:

Sync.Engine.Bookmarks.BookmarkSyncUtils pushChanges: Processed change records: {"updated":9}

However, the log never contains a request similar to:

POST ... /storage/bookmarks

Therefore, bookmark changes appear to be detected locally but are never uploaded to the Sync server.

In different sync attempts, I have also observed intermittent network-related errors such as:

NS_ERROR_NET_RESET NS_ERROR_CONNECTION_REFUSED NS_ERROR_UNKNOWN_HOST

For example:

Failed to fetch symmetric keys. Not syncing: login returned false.

and

The lookup of the hostname failed.

However, DNS resolution and connectivity appear normal outside Firefox:

nslookup successfully resolves Mozilla Sync hosts. ping succeeds. Opening https://profile.accounts.firefox.com/v1/profile from Chrome returns the expected HTTP 401 Unauthorized response ("Bearer token not provided"), indicating the server is reachable. Additional information

Because the iPhone contains more than 1,000 bookmarks, I would also like to know whether Firefox Sync has any known limitations or issues related to synchronizing large bookmark collections.

Expected behavior

Bookmarks created on either device should synchronize to the other device.

Actual behavior

Bookmark changes are detected locally but never uploaded, and no bookmark synchronization occurs in either direction.

I would appreciate any guidance on additional diagnostics or whether this could be a Firefox Sync bug.

Exact same problem as reported in 2025: "My Firefox on iPhone has a malware that pops up a box urging me to call a phone number (which I won’t do) about a payment. It has Cancel and Ok buttons, both of which trigger another box from the dialer containing the same phone number. I cannot get to the FF settings or escape from that page because the pop ups immediately come back and reload the page. " Only difference from OP is the server url is recipes33-16045505ea03 . herokuapp . com

The posted solution was to reset history, but I can't get to that or any other controls or the url bar - canceling just reloads the page before I can initiate any action. A similar post suggested installing Malwarebytes but that requires enabling extensions which, again, I can't get to.

Right now Firefox is bricked by this and I have to use Safari :-(

Hello.

I've found myself to rely on Firefox for some specific workflows that require sending emails that are generated automatically by a website, and I use it across multiple devices, such as Windows, macOS.

Unfortunately, when it comes to iOS, using the aforementioned website, when tapping the relevant "mailto" button, nothing happens.

Some months ago the specific website that I use, was failing to do this action on any webkit browser, but this was later patched by the developer and the flow now works correctly within Safari. This was caused by stricter enforcement of "user-initiated" actions.

Unfortunately it seems that Firefox isn't either capable of invoking the mail client, or get the data from the website properly.

I want to try firefox on my iPhone but I don’t like that it shows recent searches on the homepage and I (or anyone looking over my shoulder) can see everything I searched. I think it just looks ugly and I don’t want to remove the search everytime I want a clean looking honepage. I have tried looking for the answer everywhere but to no avail. I would really appreciate it if someone could help me. If It’s even possible.

(In the image below I’m showing what I don’t want it to look like)

hi!

apologies if this has already been brought up. i tried searching for it but i don’t really know what to call it so i can easily have missed it.

for a while now my firefox app has hidden my open tab when i leave the app, like it previously only did in private tabs. i’ve attached a screenshot to show what i mean. is this a new privacy feature and can i turn it off? i’ve tried to look through all my settings and uninstalled and reinstalled the app (in case it was a bug) but it still does this. i used to rely on getting a quick look at my open tab while flipping through apps so how it’s now hidden all the time is really inconvenient for me.

thankful for any help with this!

Firefox spotted a potentially serious security issue with web.whatsapp.com. Someone pretending to be the site could try to steal things like credit card info, passwords, or emails. web.whatsapp.com has a security policy called HTTP Strict Transport Security (HSTS), which means that Firefox can only connect to it securely. You can't add an exception to visit this site.

When I try to view pages of art on the site COMIC ART FANS, Firefox sometimes opens the jpgs but sometimes only gives me a visual description of the artwork, no picture. Chrome opens these pages, so does safari, what's wrong with firefox?

Pressing and holding on an image then selecting “save image” causes Firefox to crash on iOS. I checked the permissions to photos in iOS settings. I also tried to uninstall Firefox then reinstalled, same issue. I tried clearing the cache in Firefox settings

Firefox is screwed up. Using iPad. Can’t find toolbar, can’t customize, ads interfering, everything looks totally different.wish I could talk to a human who can help me.Firefox used to be my preferred browser.

Noticed that Firefox on IOS was updated about 17 hours ago, so that may explain the current issue. When I open the app on my phone, it will be on the page I was last on, but would be frozen. Cannot add a new tab. Cannot add an address to in address bar. Nothing can be done u til I force quit the app, and then reopen the app afterwards (as long as I give it a couple seconds afterwards). Didn’t have this issue the day before.