It's not just software. I have witnessed seniors grabbing their device 'wrong' when they pick up the phone to answer a call. They cannot hear the caller because

It's not just software. I have witnessed seniors grabbing their device 'wrong' when they pick up the phone to answer a call. They cannot hear the caller because they are literally holding the volume button down when they pick up the device and don't notice. There is no easy way for me to disable the hardware volume buttons.