iPhones already had this “feature” before the iOS4 update was released, but iOS4 hides it even deeper. Touching the keypad option on the call screen for several seconds will cause the keypad menu to activate in a special way. On iPhone OS 3.x, you would see a “Send” button above the keypad. After the iOS4 update, it seemed to be missing. However, tapping above the keypad FOUR TIMES will cause the “Send” button to appear.

The menu doesn’t seem to have any practical purpose. You can dial a…