[update 2013-11-06] how to install FireFoxOS 1.3

Unlock your phone,

download “flashtool” tool

download latest FireFoxOS build from here

flash boot.img included in the zip

copy the zip to the sdcard

boot in recovery mode and flash the zip

good lucks… ;-)


First look at FirefoxOS on my Sony XPERIA 2011 Live With Walkman (LWW, wt19i, coconut) following suggestions from


See also