In order to hard reset a Cube iWork 11, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Cube iWork 11 device will be brought back to the default configuration of a brand new device.
1. Press Power button.
2. Press-hold down Shift. As you hold it, tap Restart.
3 Now select Troubleshoot.
4.Continue by selecting Reset your PC and Next.
5. Select either Just remove my files or Fully clean the drive.
6. Lastly, select Reset.