This article covers the basic features of Firefox OS - apps, messaging, contacts, music and more. It also links to articles that you'll want to explore later.
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.
This article describes how to change the language on Firefox OS.
Learn how to add, share and manage contacts through the import and exporting features on your Firefox OS phone.