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Download Firefox Fast & Private Browser 37.0 APK
Target: Android 5.0 (Lollipop, API 21)
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Firefox Fast & Private Browser notes
www.mozilla.org/firefox/mobile/notes
What’s New
NEW
Locales added: Albanian [sq], Burmese [my], Lower Sorbian [dsb], Songhai [son], Upper Sorbian [hsb], Uzbek [uz]
NEW
Yandex set as default search provider for the Turkish locale
NEW
Improved download performance with new download manager back-end
NEW
Improved protection against site impersonation via OneCRL centralized certificate revocation
NEW
Opportunistically encrypt HTTP traffic where the server supports HTTP/2 AltSvc
CHANGED
URL bar now displays page address instead of page title by default
CHANGED
Disabled insecure TLS version fallback for site security
CHANGED
Extended SSL error reporting for reporting non-certificate errors
CHANGED
TLS False Start optimization now requires a cipher suite using AEAD construction
CHANGED
Improved certificate and TLS communication security by removing support for DSA
CHANGED
Android home screen shortcut now opens existing tab instead of new tab
HTML5
Added support for CSS display:contents
HTML5
IndexedDB now accessible from worker threads
HTML5
OpenH264 support added to WebRTC for Android
HTML5
New SDP/JSEP implementation in WebRTC
What's new in Firefox Fast & Private Browser 37.0
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 37.0
From version 151.0.4:
Premium
The internet. As it should be.
Firefox is a fast, private browser built to protect you by default. It blocks common trackers automatically, helps keep your data secure, and lets you browse with more peace of mind—without extra setup or constant decisions.
Why people choose Firefox:
✔ Enhanced Tracking Protection – Blocks trackers by default to help stop companies from following you across the web.
✔ Private browsing mode – Browse without saving your history, searches, or cookies. Private tabs lock automatically when you step away.
✔ Total Cookie Protection – Keeps tracking cookies limited to the site that created them, making cross-site tracking harder.
✔ Extensions – Add supported extensions like ad blockers and privacy tools to customize how you browse.
✔ Built-in password manager – Generate strong passwords, save them securely, and autofill logins when you need them.
✔ Flexible search options – Choose your default search engine or switch search engines right from the search bar.
✔ Reader Mode – Remove ads and clutter from articles so you can focus on what you're reading.
✔ Sync across devices – Pick up where you left off with synced tabs, bookmarks, and passwords when you sign in to your Mozilla account.
Private by default
Firefox is designed with privacy built in from the moment you start browsing. Enhanced Tracking Protection automatically blocks common background trackers, including social media trackers, crypto miners, and fingerprinters. Total Cookie Protection keeps your activity separated by site, making it harder for companies to build a profile of your browsing habits.
When you want extra privacy, private browsing mode doesn't save your history, searches, or cookies. Private tabs lock automatically when you navigate away and require your fingerprint, PIN, or device security to unlock—helping keep what you're doing private if someone else uses your phone.
Focus on what matters
The web can be distracting. Firefox is designed to help you stay focused without making you manage everything yourself. Reader Mode clears clutter from articles, and picture-in-picture keeps videos visible while you multitask—without pulling focus from what you're doing.
Browse your way
Customize Firefox to fit how you browse. Personalize your home screen with wallpapers and layout options, add extensions like ad blockers and privacy tools, and choose your preferred search engine instead of being pushed into a single ecosystem.
You can move the search bar to the top or bottom of the screen for easier one-handed browsing. Sign in to your Mozilla account to sync tabs, bookmarks, passwords, and browsing history across devices, so switching feels seamless.
Built for people, not profit
Firefox was created in 2004 by Mozilla as a faster, more private, and more customizable alternative to other browsers. Today, Mozilla remains a nonprofit and continues working to make the internet — and the time you spend on it — better.
Learn more about Mozilla: www.mozilla.org
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 37.0 variants
This release comes in several variants (we currently have 2). Consult our handy FAQ to see which download is right for you.
Version:45.0.2(2015411201) for Android 3.0+ (Honeycomb, API 11)
Uploaded:April 12, 2016 at 7:08PM UTC
File size:39.51 MB
Downloads:14,285
Version:45.0(2015404369) for Android 3.0+ (Honeycomb, API 11)
Uploaded:March 8, 2016 at 8:09PM UTC
File size:39.51 MB
Downloads:8,315
Version:44.0.2(2015400201) for Android 3.0+ (Honeycomb, API 11)
Uploaded:February 12, 2016 at 12:48AM UTC
File size:39.33 MB
Downloads:4,755
Version:44.0(2015396233) for Android 3.0+ (Honeycomb, API 11)
Uploaded:January 29, 2016 at 6:36AM UTC
File size:38.06 MB
Downloads:5,282
Version:43.0(2015389129) for Android 3.0+ (Honeycomb, API 11)
Uploaded:December 15, 2015 at 7:50PM UTC
File size:38.38 MB
Downloads:10,780
Version:42.0.2(2015386609) for Android 3.0+ (Honeycomb, API 11)
Uploaded:December 2, 2015 at 9:05PM UTC
File size:38.22 MB
Downloads:4,152
Version:42.0.1(2015384217) for Android 3.0+ (Honeycomb, API 11)
Uploaded:November 20, 2015 at 12:12AM UTC
File size:38.23 MB
Downloads:3,610
Version:42.0(2015380177) for Android 3.0+ (Honeycomb, API 11)
Uploaded:November 4, 2015 at 4:28AM UTC
File size:38.23 MB
Downloads:8,485
Version:41.0.2(2015101425) for Android 3.0+ (Honeycomb, API 11)
Uploaded:October 16, 2015 at 7:27PM UTC
File size:37.65 MB
Downloads:4,154
Version:41.0(2015091726) for Android 3.0+ (Honeycomb, API 11)
Uploaded:September 22, 2015 at 5:22PM UTC
File size:37.65 MB
Downloads:45,649
Version:151.0.4
Uploaded:June 11, 2026 at 1:47AM UTC
File size:120.88 MB
Downloads:2,546
Version:151.0.3
Uploaded:June 2, 2026 at 5:17PM UTC
File size:120.81 MB
Downloads:3,367
Version:151.0.2
Uploaded:May 26, 2026 at 9:54PM UTC
File size:120.65 MB
Downloads:2,642
Version:151.0
Uploaded:May 21, 2026 at 9:26PM UTC
File size:120.66 MB
Downloads:2,779
Version:150.0.3
Uploaded:May 19, 2026 at 1:49AM UTC
File size:120.11 MB
Downloads:2,084
Version:150.0.2
Uploaded:May 8, 2026 at 8:06PM UTC
File size:117.42 MB
Downloads:2,727
Version:150.0.1
Uploaded:April 29, 2026 at 5:20AM UTC
File size:117.38 MB
Downloads:3,494
Version:150.0
Uploaded:April 22, 2026 at 6:45AM UTC
File size:117.33 MB
Downloads:3,636
Version:149.0.2
Uploaded:April 7, 2026 at 2:38PM UTC
File size:116.16 MB
Downloads:5,045
Version:149.0.1
Uploaded:April 1, 2026 at 6:52PM UTC
File size:116.23 MB
Downloads:2,629
