Perhaps this will open the door for ubuntu touch to be ported over to the Lumia. ? see guide. >> http://allaboutwindowsphone.com/features/item/24245_Aguideforunlockingthebootloade.php

@Gvine Also postmarketOS
https://wiki.postmarketos.org/wiki/Category:Windows_Phone

@SteveMcQueen they managed to get debian running on the lumia but no touch screen drivers.. maybe this could be a way in for Ubuntu touch?.

https://www.youtube.com/watch?v=vuHwaWLcy-U

Perhaps this will open the door for ubuntu touch to be ported over to the Lumia. ? see guide. >> http://allaboutwindowsphone.com/features/item/24245_Aguideforunlockingthebootloade.php