Steps for Upgrade Firmware (Similar to Backup and Restore)
  1. Connect current controller power and keypad
  2. Export settings to a flash drive (keep as backup too)
  3. Download firmware and unzip to flash drive, in root
  4. Connect new controller power and keypad (if its change controller)
  5. Plugin flash drive
  6. Keep taping Shift key, and turn on machine
  7. Until it says boot with flash drive, otherwise repeat previous step
  8. Update Public file
  9. Update System
  10. Reboot
  11. Import settings you exported at step 2
  12. Reboot