Firefos OS ones are the cheapest. If you want to spend a lot (well, no, not really, comparing to high-end devices) you can get a Geeksphone Revolution or a Flam

Firefos OS ones are the cheapest. If you want to spend a lot (well, no, not really, comparing to high-end devices) you can get a Geeksphone Revolution or a Flame, the developer reference phone https://www.mozilla.org/en-US/firefox/os/devices/ https://www.mozilla.org/en-US/firefox/os/devices/ http://shop.geeksphone.com/es/moviles/9-revolution.html http://shop.geeksphone.com/es/moviles/9-revolution.html https://developer.mozilla.org/en-US/Firefox_OS/Developer_phone_guide/Flame https://developer.mozilla.org/en-US/Firefox_OS/Developer_pho...