Kyocera QCP 6035 Reference Manual page 228

When the phone is locked, the following screen appears whenever you open the flip.
Enter your password and tap OK.
1. Tap to view the Applications Launcher.
2. Tap to open the Security screen.
3. Tap the Assigned box beside Password.
4. Enter your password and tap OK.
5. To assign a new password, enter it on the line and tap OK. In the confirmation
dialog, enter the same password again. Tap OK.
6. To remove password protection entirely, tap Delete.
Tap here.