I finally decided tonight to upgrade to 5.0.11 and I found out you really don't need to restore your tablet back to stock 4.7.3
All I did was:
1) backup my data and apps just in case.
2) adb shell
4) mount -o remount,rw -t ext4 /dev/b...
I just received mine the other day, and I don't know why people are trashing the tablet. So far every app I've tried has worked outstanding and out performs my other android tablets.
Now if more people would get one so xda would create a forum ...