Find out how to turn off the clicking sound that you hear when you type a letter on your iPhone keyboard. This is a global setting that will apply to any app that uses the default keyboard, so turning off the keyboard clicks using the steps below will affect apps like Messages, Mail, Notes, and more.
Step 1: Tap the Settings icon.
Step 2: Select the Sounds & Haptics option.
Step 3: Scroll to the bottom of the screen and tap the button to the right of Keyboard Clicks.