The Firefox Marketplace has apps designed for your Firefox OS device. We'll show you how to find and install them.
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.
Learn how to add, share and manage contacts through the import and exporting features on your Firefox OS phone.
WhatsApp isn't directly available on Firefox OS, but you can still use a WhatsApp client on your device or chat with friends using Facebook or LINE.