Thanks Werner. Would you let me know which clonezilla  you used before?

“sudo  mkroot.sh ” i have tried, you can see that at the above picture at the bottom command line. still not success.  Seems can not create directory and find the superuser.apk.

I have read and followed. Make a Clonezilla boot USB drive,  and put mkroot folder inside, success boot and enter to the command page.

the problem is i follow the steps, but septs of  enter sh mkroot.sh the process is not succeed as the following picture. what can i do next?

I have followed the steps, but seems still can not root. The problem is  when enter su mkroot.sh the process is not succeed.

What can i do next?, Please check is there i am wrong the steps.

The following Pic is my result when type  su mkroot.sh

Where can download the mkroot.zip