Try one of these articles:
- How does built-in Phishing and Malware Protection work? Firefox contains built-in Phishing and Malware Protection to help keep you safe online. This article explains how they work.
- How do I clear private data on Firefox for Android? Here's how to quickly clear your browsing & download history and more in Firefox for Android.
- How does Firefox for Android use the permissions it requests? When you install Firefox for Android it requests a number of permissions. This article explains how Firefox uses these permissions.
- Firefox Health Report - understand your Android browser performance Firefox Health Report lets you know how well your browser is performing on Android and what steps you can take to improve it.