Where is Meizu 17 input mute?

Do you want to ask where the keyboard sound mute is? In the system sound settings.

In the phone settings, sound and vibration, system sound effects, at this time we will see an option to turn off the virtual keyboard sound. Another way is to set the phone to mute, press and hold the tuning key on the side of the phone and keep the volume down, so that the phone will be set to mute mode. However, it will still ring when adding volumes in the future, so this method is not recommended.