I am a kind of newbie. I followed the post given here, except I used Pollux (instead of Pollux_windy). I tried with latest Ubuntu touch image trusty-preinstalled-touch-armhf.zip.
But after installation process, (as given in the above instructions), I rebooted the system from recovery. What I can see is only a black screen which follows Sony logo. I find a similar problem here by Ry Chy.
Please help me.