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Ringer, sound and vibrate settings
Learn how to change your alerts or ringtones, add songs as ringtones, or turn your phone on vibrate or silent mode.
Installing apps
The Firefox Marketplace has apps designed for your Firefox OS device. We'll show you how to find and install them.
Clear browsing history and cookies
This article explains how to clear the browsing history, the cookies and stored data on the Firefox Browser on Firefox OS.
Do not track on Firefox OS
Firefox OS has a feature that lets you tell websites not to track your browsing behavior. Learn what tracking is, how the feature works and how to turn it on.
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