Premium
Download Firefox Fast & Private Browser 40.0 APK
Target: Android 5.0 (Lollipop, API 21)
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Firefox Fast & Private Browser notes
www.mozilla.org/en-US/firefox/android/40.0/releasenotes/
What’s New
NEW
Support for Android Presentation API for screen casting
NEW
Added protection against unwanted software downloads
NEW
Long press on back/forward navigation buttons in app menu to bring up history list
CHANGED
JPEG images use less memory when scaled and can be painted faster
CHANGED
Sub-resources can no longer request HTTP authentication, thus protecting users from inadvertently disclosing login data
HTML5
IndexedDB transactions are now non-durable by default
HTML5
Implemented AudioBufferSourceNode.detune to modulate playback rate in cents, a logarithmic unit of measure used for musical intervals
DEVELOPER
Open links from Android applications in the same tab via EXTRA_APPLICATION_ID
FIXED
Various security fixes
What's new in Firefox Fast & Private Browser 40.0
From version 10.0.5:
- Hardware accelerated AV1 video decoding now supported by default with supported hardware or via fallback to software decoding.
- GPU-accelerated Canvas2D is now enabled by default.
- UI improvements to the built-in PDF viewer to make it easier to save PDFs directly.
- Fixed a video playback bug in landscape screen orientation.
- Fixed accessibility bugs where Talkback didn't announce some buttons or text was too small.
About Firefox Fast & Private Browser 40.0
From version 139.0.4:
Premium
Take control of your internet with the Firefox browser, wherever you go. Whether you’re looking for an incognito browser, want to use a private search engine, or just need a reliable and fast web browser, Firefox delivers speed, security, and simplicity every time.
Get Firefox so your passwords, browsing history and ad blocker extensions — and the privacy and security you rely on.
What Firefox offers:
✔ A PRIVACY-FOCUSED FAST BROWSER
• Automatic tracker blocking — By default, Firefox blocks trackers and scripts such as social media trackers, cross-site cookie trackers, crypto-miners and fingerprinters.
• Enhanced tracking protection — Choose the “strict” setting as an incognito browser and get even more privacy protections with an ad blocker.
• Customize your search engine — Set your favorite private search engine as the default for convenient browsing.
• Ad blocker extensions — choose your favorite ad blocker extension to eliminate unwanted pop-ups and ads.
• Private browser mode — Search in a private tab, and your browsing history is automatically deleted from your device when you close Firefox.
✔ EASY-TO-USE TABS
• Find what you want with your search engine quickly — create as many tabs as you like without losing track.
• See your open tabs as thumbnails or a list view.
• See tabs from your phone on your desktop web browser and vice versa when you sync to your Mozilla account.
✔ PASSWORD MANAGEMENT
• Log into sites easily — Firefox remembers your passwords across devices when you sync to your Mozilla account.
• Firefox suggests passwords for new log-ins and stores them securely.
✔ FAST BROWSER
• Enhanced Tracking Protection automatically blocks ad trackers from following you around the web and slowing down your search engine pages.
✔ TAILORED SEARCH ENGINE OPTIONS
• Get suggestions and previously searched results in the search bar to quickly access the sites you visit most with your browser.
• Move the search bar location from the top to the bottom of the screen, making it easier to navigate with one hand.
• Use the Firefox search widget to search the web directly from your device’s home screen.
• See your recent searches on other devices for seamless searching across mobile, desktop and more.
• Turn on private browser mode to use your choice of private search engine results worry-free.
✔ CUSTOMIZE YOUR FIREFOX EXPERIENCE
• Get helpful add-on extensions, including ad blockers, block certain web pages, turbo-charge privacy settings and more with our private browser.
✔ FIREFOX HOME SCREEN
• Access your recent bookmarks and top sites and see popular articles from across the internet, recommended by Pocket, which is part of Mozilla.
✔ SAVE BATTERY WITH DARK MODE
Switch to dark mode on your private browser anytime, reducing eye strain and prolonging your battery power.
✔ WATCH VIDEOS WHILE YOU MULTITASK
• Pop videos out of their web pages or players and pin them to the top of your phone’s screen to watch while you use your search engine and do other things.
✔ SHARE ANYTHING IN A FEW TAPS
• Share links to web pages or specific items on a page with easy, quick access to your most recently used apps.
• Share securely, whether you’re in private browser or incognito browser mode or not.
BILLIONAIRE FREE FOR 20+ YEARS
The Firefox browser was created in 2004 by Mozilla as a faster, more private browser with more customizable features than web browsers like Internet Explorer. Today, we are still not-for-profit, still not owned by any billionaires and still working to make the internet — and the time you spend on it — better. To learn more about Mozilla, please go to www.mozilla.org.
LEARN MORE
- Terms of Use: www.mozilla.org/about/legal/terms/firefox/
- Privacy Policy: www.mozilla.org/privacy/firefox
- Latest news: blog.mozilla.org
Firefox Fast & Private Browser 40.0 variants
This release comes in several variants (we currently have 2). Consult our handy FAQ to see which download is right for you.
Version:44.0(2015396236) for Android 2.3+ (Gingerbread, API 9)
Uploaded:January 29, 2016 at 6:36AM UTC
File size:46.19 MB
Downloads:6,983
Version:42.0(2015380180) for Android 2.3+ (Gingerbread, API 9)
Uploaded:November 4, 2015 at 12:32AM UTC
File size:46.03 MB
Downloads:3,262
Version:40.0(2015080519) for Android 2.3+ (Gingerbread, API 9)
Uploaded:August 11, 2015 at 4:52PM UTC
File size:40.15 MB
Downloads:2,865
Version:39.0(2015062535) for Android 2.3+ (Gingerbread, API 9)
Uploaded:July 2, 2015 at 10:25PM UTC
File size:39.93 MB
Downloads:2,985
Version:38.0.5(2015052813) for Android 2.3+ (Gingerbread, API 9)
Uploaded:June 2, 2015 at 4:00PM UTC
File size:39.34 MB
Downloads:1,099
Version:37.0(2015032529) for Android 2.3+ (Gingerbread, API 9)
Uploaded:April 1, 2015 at 3:52AM UTC
File size:38.43 MB
Downloads:1,932
Version:35.0.1(2015020502) for Android 2.3+ (Gingerbread, API 9)
Uploaded:February 13, 2015 at 5:52AM UTC
File size:37.28 MB
Downloads:33,940
Version:35.0(2015010821) for Android 2.3+ (Gingerbread, API 9)
Uploaded:February 13, 2015 at 4:52AM UTC
File size:37.29 MB
Downloads:180
Version:34.0(2014112616) for Android 2.3+ (Gingerbread, API 9)
Uploaded:February 13, 2015 at 3:52AM UTC
File size:39.08 MB
Downloads:131
Version:33.0(2014101102) for Android 2.3+ (Gingerbread, API 9)
Uploaded:February 13, 2015 at 2:52AM UTC
File size:38.4 MB
Downloads:367
Version:139.0.4
Uploaded:June 11, 2025 at 7:03AM UTC
File size:108.01 MB
Downloads:3,381
Version:139.0.3
Uploaded:June 6, 2025 at 5:55AM UTC
File size:105.43 MB
Downloads:2,656
Version:139.0.2
Uploaded:June 3, 2025 at 9:30PM UTC
File size:107.98 MB
Downloads:536
Version:139.0
Uploaded:May 28, 2025 at 4:55PM UTC
File size:52.59 MB
Downloads:4,508
Version:138.0.4
Uploaded:May 19, 2025 at 2:38PM UTC
File size:107.36 MB
Downloads:1,127
Version:138.0.3
Uploaded:May 18, 2025 at 6:02AM UTC
File size:104.78 MB
Downloads:2,837
Version:138.0.2
Uploaded:May 7, 2025 at 8:21PM UTC
File size:104.85 MB
Downloads:2,567
Version:138.0
Uploaded:April 30, 2025 at 4:45AM UTC
File size:104.84 MB
Downloads:3,340
Version:137.0.2
Uploaded:April 15, 2025 at 6:23PM UTC
File size:103.45 MB
Downloads:4,277
Version:137.0
Uploaded:April 2, 2025 at 4:30AM UTC
File size:103.55 MB
Downloads:6,191
