: Only a specific list of extensions (like uBlock Origin) remained supported in this final legacy build.
The Quest for a Modern Browser on Android 4.4.2: Why Firefox Fails to Deliver
Sync Capabilities: Securely sync your bookmarks, history, and passwords from your desktop Firefox account to your KitKat device. How to Safely Install the Firefox APK
With these steps, your old Android 4.4.2 device can continue to surf the modern web safely and effectively—proving that great hardware doesn't die; it just needs the right software.