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Send messages
The Firefox OS Messages app lets you send and receive short text (SMS) and multimedia (MMS) messages. This article will get you up and running in no time.
Add, manage and share contacts
Learn how to add, share and manage contacts through the import and exporting features on your Firefox OS phone.
Adding music
We'll explain how to transfer music from your computer and, for Firefox OS v 1.1 and higher, how to download it from the browser or receive it over Bluetooth.
Setting the Screen Lock
This article explains the process of setting the screen lock on Firefox OS.

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