Premium
Download Firefox Fast & Private Browser 121.0.1 APK
Version: 121.0.1 (2015995071)
Languages: 120
Package: org.mozilla.firefox
Downloads: 2,060
Target: Android 13 (API 33)
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What's new in Firefox Fast & Private Browser 121.0.1
* By popular demand, Firefox for Android now has expanded extension capabilities, adding new support for over 400 more extensions!
* Private windows now protect users even better by blocking third-party cookies and storage of content trackers.
* Enhanced Tracking Protection custom mode now includes blocking of social trackers by default. Previously they were only blocked in strict mode.
* Fixed rendering issues and crashes on Google Pixel 8 and Samsung Galaxy S22 devices.
* Security fixes.
About Firefox Fast & Private Browser 121.0.1
Get the browser that prioritizes people over profits
Premium
It’s a new era in tech. Don’t settle for a browser made by unethical, profit-driven, data-hoarding companies. By choosing Firefox, you support the non-profit Mozilla Foundation whose mission is to build a better internet — one that puts individual and public benefit over commercial profit.
What Firefox offers:
✔ PRIVACY-FOCUSED BROWSING
• 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 and get even more privacy protections.
• Private browsing mode — When you close private mode, your browsing history is automatically erased from your device.
✔ EASY-TO-USE TABS
• Find what you want 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 and vice versa — or choose to keep them separate.
✔ PASSWORD MANAGEMENT
• Log into sites easily — Firefox remembers your passwords across devices.
• Firefox suggests passwords for new log-ins and stores them securely.
✔ LIGHTNING-FAST PAGE LOADS
• Enhanced Tracking Protection automatically blocks online trackers from following you around the web and slowing down your pages.
✔ TAILORED SEARCH OPTIONS
• Get suggestions and previously searched results in the search bar so you can quickly access the sites you visit most.
• Move the search bar location from the top to the bottom of the screen, making it easier to use with one hand.
• Use the Firefox search widget to search the web directly from your device’s home screen.
• See the recent searches you’ve done on other devices for seamless searching across mobile, desktop and more.
✔ CUSTOMIZE YOUR FIREFOX EXPERIENCE
• Get helpful add-on extensions, including ways to block ads, block certain webpages, turbo-charge privacy settings and more.
✔ FIREFOX HOME SCREEN
• Access your recent bookmarks, 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 any time, reducing eye strain and prolonging your battery power.
✔ WATCH VIDEOS WHILE YOU MULTITASK
• Pop videos out of their webpages or players and pin them to the top of your phone’s screen to watch while you surf the web 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.
LEARN MORE ABOUT FIREFOX WEB BROWSER
Read about Firefox permissions: mzl.la/Permissions - Stay in the know: blog.mozilla.org
ABOUT MOZILLA
Mozilla exists to build the internet as a public resource accessible to all because we believe open and free is better than closed and controlled. We build products like Firefox to promote choice and transparency and give people more control over their lives online. Learn more at www.mozilla.org. Privacy policy: www.mozilla.org/legal/privacy/firefox.html
Firefox Fast & Private Browser 121.0.1 variants
This release comes in several variants (we currently have 3). Consult our handy FAQ to see which download is right for you.
Version:143.0.4(2016118135) for Android 5.0+ (Lollipop, API 21)
Uploaded:October 3, 2025 at 7:07PM UTC
File size:342.72 MB
Downloads:3,673
Version:143.0.3(2016117407) for Android 5.0+ (Lollipop, API 21)
Uploaded:October 2, 2025 at 8:47AM UTC
File size:342.75 MB
Downloads:921
Version:143.0.2(2016116031) for Android 5.0+ (Lollipop, API 21)
Uploaded:September 24, 2025 at 1:24PM UTC
File size:342.82 MB
Downloads:1,924
Version:143.0(2016113383) for Android 5.0+ (Lollipop, API 21)
Uploaded:September 10, 2025 at 5:46PM UTC
File size:342.85 MB
Downloads:4,420
Version:142.0.1(2016110943) for Android 5.0+ (Lollipop, API 21)
Uploaded:August 29, 2025 at 5:22AM UTC
File size:339.67 MB
Downloads:3,430
Version:142.0(2016108007) for Android 5.0+ (Lollipop, API 21)
Uploaded:August 14, 2025 at 5:01PM UTC
File size:339.89 MB
Downloads:1,636
Version:141.0.3(2016106991) for Android 5.0+ (Lollipop, API 21)
Uploaded:August 10, 2025 at 7:24PM UTC
File size:337.97 MB
Downloads:1,695
Version:141.0.2(2016106615) for Android 5.0+ (Lollipop, API 21)
Uploaded:August 6, 2025 at 12:05AM UTC
File size:338.15 MB
Downloads:386
Version:141.0.1(2016105287) for Android 5.0+ (Lollipop, API 21)
Uploaded:August 1, 2025 at 4:46AM UTC
File size:338.01 MB
Downloads:409
Version:141.0(2016102631) for Android 5.0+ (Lollipop, API 21)
Uploaded:July 22, 2025 at 5:22PM UTC
File size:337.65 MB
Downloads:624
Version:155.0.1
Uploaded:September 7, 2026 at 2:34AM UTC
File size:126.92 MB
Downloads:360
Version:155.0
Uploaded:September 3, 2026 at 8:06AM UTC
File size:64.53 MB
Downloads:817
Version:154.0.1
Uploaded:August 26, 2026 at 2:17AM UTC
File size:124.11 MB
Downloads:5,296
Version:154.0
Uploaded:August 20, 2026 at 11:15PM UTC
File size:64.82 MB
Downloads:2,949
Version:153.0.4
Uploaded:August 13, 2026 at 5:02AM UTC
File size:123.38 MB
Downloads:3,726
Version:153.0.3
Uploaded:August 9, 2026 at 4:50PM UTC
File size:123.37 MB
Downloads:3,468
Version:153.0.2
Uploaded:July 31, 2026 at 8:46PM UTC
File size:123.33 MB
Downloads:2,745
Version:153.0.1
Uploaded:July 31, 2026 at 8:46PM UTC
File size:123.27 MB
Downloads:1,014
Version:153.0
Uploaded:July 23, 2026 at 10:48PM UTC
File size:123.27 MB
Downloads:3,839
Version:152.0.6
Uploaded:July 22, 2026 at 5:04PM UTC
File size:122.54 MB
Downloads:3,148
