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Add, manage and share contacts
Learn how to add, share and manage contacts through the import and exporting features on your Firefox OS phone.
Find My Device for Firefox OS
The "Find My Device" feature lets you locate, lock or erase your information from a lost or stolen Firefox OS device via the Web.
Change the Default Language
This article describes how to change the language on Firefox OS.
WhatsApp alternatives - Firefox OS
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.
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