I think i saw someone post this method before, but can't find it. So i post root method. Currently this method work on the latest Canadian OG firmware (Both E971 and E973). i did not make this method, i just find it from a chinese web. Here is the link
http://bbs.gfan.com/android-5698914-1-1.html
Here is the instruction.
1. Unzip the zip file
2. turn on usb debug and plug in the cable to pc
3. double click the root.bat
4. unplug the cable.
5. Turn off the usb debug
6. turn on the usb debug
7. plug in the cable.
8. Press enter until it root.
9. Done.
http://bbs.gfan.com/android-5698914-1-1.html
Here is the instruction.
1. Unzip the zip file
2. turn on usb debug and plug in the cable to pc
3. double click the root.bat
4. unplug the cable.
5. Turn off the usb debug
6. turn on the usb debug
7. plug in the cable.
8. Press enter until it root.
9. Done.