Ubuntu Edge isn't a straight-forward phone OS though - it was intended to be a desktop/laptop replacement in a phone-sized package (run the Phone UI when discon

Ubuntu Edge isn't a straight-forward phone OS though - it was intended to be a desktop/laptop replacement in a phone-sized package (run the Phone UI when disconnected, run a "desktop" UI when connected to an external monitor/keyboard/mouse). So a cheap piece of hardware would not be sufficient.