Note that this only works with a rooted phone. In newer versions of Firefox OS, you should be able to do all of that via the App Manager [0], without needing to

Note that this only works with a rooted phone. In newer versions of Firefox OS, you should be able to do all of that via the App Manager [0], without needing to root the phone. [0] https://developer.mozilla.org/en-US/Firefox_OS/Using_the_App_Manager https://developer.mozilla.org/en-US/Firefox_OS/Using_the_App...