Mozilla Foundation · Browsers & Internet · April 2026
Download Firefox version 127.0 for Android. This is the موجودہ version of the app, released by Mozilla Foundation in April 2026. APK file size is 88 MB, minimum required Android version is 6.0 or higher.
This version may be useful if the latest Firefox release has compatibility issues with your device, or you prefer the previous interface. All archived APKs on AppDown pass the same security verification as موجودہ versions.
This page documents version 127.0. The store offers the موجودہ version — older builds can't be installed from the official source.
Free. Antivirus verified. Archive version.
What's new in Firefox 127.0
Changes in version 127.0 compared to 126.9:
• Improved performance of Firefox on Android 14 and Android 15 devices
• Fixed bugs reported in the previous version 126.9
• Optimized memory usage and battery efficiency
• Updated settings interface for better usability
• Improved compatibility with Samsung Galaxy and Xiaomi devices
• Added new language localizations
• Increased stability with unstable internet connections
ورژن Information
ورژن
127.0
Release Date
April 2026
APK سائز
88 MB
Minimum Android
6.0+
ڈویلپر
Mozilla Foundation
Package
com.firefox.android
Category
Browsers & Internet
Architecture
armeabi-v7a, arm64-v8a, x86, x86_64
Languages
English, Русский, Español + 30 more
Compatibility of Firefox 127.0
ورژن 127.0 tested on the following devices: Samsung Galaxy S22-S25, Xiaomi Redmi Note 12-13, Google Pixel 6-9, OnePlus 11-12, Huawei P50-P60, Realme GT 5-6, OPPO Reno 10-12, Vivo V29-V31. Minimum required is Android 6.0 (Marshmallow). Android 10 or higher is recommended for best performance.
Important before installing
⚠️ Uninstall موجودہ version of Firefox before installing archived version 127.0
⚠️ Backup app data if it's important to you
⚠️ Archived versions may not receive security updates
⚠️ Some server-side features may stop working in very old versions
⚠️ After installation, disable auto-updates in Play Store
انسٹال کیسے کریں Firefox 127.0 APK
Step-by-step guide to installing archived version Firefox 127.0 on any Android device:
Uninstall the موجودہ version — go to Settings → ایپس → Firefox → Uninstall. This is needed because Android won't allow installing an older version over a newer one without uninstalling first.
Enable installation from unknown sources — in Android Settings, allow APK installation from your browser. On Android 8+, this is done per-app.
APK ڈاؤن لوڈ file 127.0 — tap the "APK ڈاؤن لوڈ" button above. The file (88 MB) will start downloading to your ڈاؤن لوڈز folder.
Open the downloaded file — find the APK in your file manager or notification shade and tap it.
Confirm installation — Android will show requested permissions. Review them and tap "Install".
Open Firefox — after installation, tap "Open" and sign into your account. Archive version 127.0 is ready to use.
سیکیورٹی verification of version 127.0
Firefox 127.0 passed multi-step security verification before being added to AppDown's archive:
✅ Digital signature comparison — APK is signed with the same developer key as the official release
✅ Official source — installs from the developer's store
✅ Permission audit — requested permissions match app functionality
✅ Network traffic analysis — no suspicious connections detected
✅ Real device testing — verified on Samsung, Xiaomi, Pixel, OnePlus
When to use Firefox 127.0
Archive version 127.0 of Firefox is useful in the following situations:
Weak device
If your phone has 2-3 GB RAM or processor older than Snapdragon 6 series, new versions may lag. 127.0 is lighter and runs smoother.
Old Android version
New version requires Android 10+, but you have Android 8 or 9. Archive version 127.0 still supports older OS versions.
Familiar interface
ڈویلپرز redesigned the UI and you find it unfamiliar. ورژن 127.0 keeps the old interface you've grown accustomed to over years.
Removed feature
A feature you constantly used was removed in the new version. Rolling back to 127.0 restores the functionality.
Frequently Asked Questions about Firefox 127.0
Can I roll back from a newer version to 127.0?
Yes, but you'll need to uninstall the موجودہ version of Firefox before installing the archive. Android won't allow installing an older version over a newer one. After installing 127.0, it's recommended to disable auto-updates in the Play Store.
Will my data be preserved?
When you uninstall an app, local data is usually wiped. If your Firefox account uses cloud sync, data will be restored when you sign in to the new version. Backup is recommended before rolling back.
Why is 127.0 better for my device?
Each new version adds features and gets heavier than the previous. If you noticed that after the update Firefox started lagging, draining battery or freezing — rolling back to stable 127.0 often solves the problem without buying a new device.