The following are steps to perform a complete hard factory reset:
1. If a Rubber Boot or Pistol Grip is installed, remove it for easier access to the keys.
2. Turn off the device.
3. Press and hold the Volume Up and Power keys together to turn on the device.
4. Release both keys once the CipherLab logo disappears.
5. When the green robot appears on the screen, press the Power key first, then the Volume Up key, and release both keys at the same time.
6. The Android Recovery screen should now appear.
7. Use the Volume Up and Volume Down keys to highlight "Wipe data / Factory Reset."
8. Press the Power key to confirm and start the factory reset.
9. Once the data wipe is complete, use the Volume keys to select "Reboot System Now."
10. Press the Power key to restart the device.
If you encounter any issues, hold the Power key to turn off the device and start again from step 1.