Well, I fixed it! In case someone wants to format his/her tablet to another OS, follow these instructions:
- Download (from here) Intel Phone Flash Tool, extract and install it on your machine.
- Download from this forum the big image file, extract it.
- On your tablet, power it off, and then press VOL UP VOL DOWN POWER (meaning all buttons should be pressed) until you’ll the the “CUBE” logo and DNX message.
- Connect your tablet to the PC (I tried it with Micro USB 2.0, didn’t try with USB 3) and run the flash tool
- Click on the “Browse..” button on the upper right of the window, Go to the directory: Cube iwork10 Ultimate(i15-T)dual boot files\安卓\软件 and select flash.json file. In the configuration pull down menu, select “blank”.
- You should see your device in the middle of the Flash tool (Intel Android or something). Click “start to flash” and let it work. It will reboot your tablet twice or so until it finishes working.
- I did not install Windows 10 on this tablet but if someone did – feel free to share your instructions 😉
Good Luck 😉