@Ondrej I can reproduce it on both N4 and N10 and I found that SuperSU doesn't installed, so when it try to install ubunt it will always fail
Note: If use CM image then it won't happen this issue.
@Ondrej
I can reproduce it on both N4 and N10 and I found that SuperSU doesn't installed, so when it try to install ubunt it will always fail
Note:
If use CM image then it won't happen this issue.