Before anything else you need to know that the ZTE Open, the first widely-available phone running Mozilla's Firefox OS
, is a cheap piece of crap. That's not necessarily a bad thing.
Any mobile operating system that's not called Android or iOS is struggling right now, and anything that's not BlackBerry or Windows Phone isn't even on most users' radar. But there are other would-be contenders out there, and Firefox OS, with its promise to deliver the open web to mobile devices, is at the very least a compelling idea.
Canonical and Mark Shuttleworth went big in promoting Ubuntu as a smartphone OS. Their campaign to raise $32 million USD for a limited run of the Ubuntu Edge very famously failed
over the summer. Mozilla and ZTE have an altogether different scheme for Firefox OS; for just $79.99 USD anyone in North America or the UK can purchase an unlocked ZTE Open via eBay
That's how I got mine. I didn't get in on the first batch as they sold out in a single weekend. The second run added Canada as a shipping option, with extra fees. My grand total was $100.38 CAD.
So what to expect from an $80 phone? As you can imagine, not much