Don't know if it's the same problem, I have a MX4 running an old Ubuntu Touch version r1, with the same problem. When I download a new version and try to install it, I always get this error (see image http://imgur.com/XLxG4ql ).
So I try updating it via ubuntu-device-flash
error pushing: failed to copy '/home/dario/.cache/ubuntuimages/pool/ubuntu-b5f4cc2c8fdcda0c8c2f1112f8ea22648af9fe2306e9038147427e8306c2acb2.tar.xz' to '/cache/recovery//ubuntu-b5f4cc2c8fdcda0c8c2f1112f8ea22648af9fe2306e9038147427e8306c2acb2.tar.xz': No space left on device
Don't know if it's the same problem, I have a MX4 running an old Ubuntu Touch version r1, with the same problem. When I download a new version and try to install it, I always get this error (see image http:// imgur.com/ XLxG4ql ).
So I try updating it via ubuntu-device-flash
ubuntu-device-flash touch --channel= ubuntu- touch/stable/ ubuntu
I get this error
error pushing: failed to copy '/home/ dario/. cache/ubuntuima ges/pool/ ubuntu- b5f4cc2c8fdcda0 c8c2f1112f8ea22 648af9fe2306e90 38147427e8306c2 acb2.tar. xz' to '/cache/ recovery/ /ubuntu- b5f4cc2c8fdcda0 c8c2f1112f8ea22 648af9fe2306e90 38147427e8306c2 acb2.tar. xz': No space left on device