Most common errors that we’ve encountered in the international forums are done thru the use of toolkits.
I’ve FINALLY rooted my (Cherry Pad Turbo) CPT Windows style.
1. First, download RKAndroid v1.29 or later. The one I used came with the package for Wopad I7 (try searching “topnotchtablets_wopadi7_firmware_tools_package” ). It’s complete with drivers and system image editors.
Here’s a method for manual flashing. Get the images from Google developers website then extract the images and flash via fastboot and adb. There are one click methods which are easier but knowing the manual method eliminates errors when doing flashing. I hope this helps.
This guide is applicable to all Asus Transformer devices, regardless of age. If you own the keyboard dock, always try to do any updates while docked. Following these guides is done at your own risk. By following this guide, you agree to accept full & complete responsibility for doing so.
Remember, everything in this guide is recommended, not mandatory. If you don’t want to take the time, or just don’t think that you should have to “go to all this trouble” then that’s fine. This approach is what many here recommend & many others have found it very helpful, but the decision to follow the recommendation is yours alone.