The "Find My Device" feature lets you locate, lock or erase your information from a lost or stolen Firefox OS device via the Web.
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 gives answers to frequently asked questions about Firefox OS.
The Email app is the best way to work with email on Firefox OS. This article explains how to add your email account to the app.