How to safely shut down or force shut down Kyocera devices

Kyocera Torque E6710 Kyocera Torque E6710
Kyocera Hydro Xtrm Kyocera Hydro Xtrm
Kyocera Hydro Elite Kyocera Hydro Elite
Kyocera Brigadier Kyocera Brigadier
Kyocera Hydro Life Kyocera Hydro Life
Kyocera DuraForce Kyocera DuraForce
Kyocera DuraForce XD Kyocera DuraForce XD
Kyocera DuraForce Pro Kyocera DuraForce Pro