Lenovo chromebook 100e 2nd gen ast

[reman]

Can not remove enrollment, did follow the info in vidéo changed 31 to 30 on dev mode and31 to 30 in enrollment in the bios, did not change status, still enrolled, any ideas as how to fix.
Thanks
Reman

[admin]

Enrollment 1 to 0 and dev 1 to 0 ok again see new video 1 new step added and watch carefully its will work 100% after bios update install new chromeos