Navigate to Firefox Settings > Privacy > Clear Private Data. Keeping the cache light prevents the app from lagging over time.
If Firefox 68 doesn't meet your needs, consider these specialized alternatives: Mozilla Firefox Apk For Android 4.4 2
If your phone feels sluggish, turn off automatic history or tab syncing under your Firefox Account settings to reduce background data usage. Conclusion Navigate to Firefox Settings > Privacy > Clear Private Data
Firefox features built-in phishing and malware protection that shields your device from malicious websites. Mozilla Firefox Apk For Android 4.4 2