An electronic device: while displaying a user interface, detects an input sequence that includes detecting an increase in a characteristic intensity of a contact on a home button. In response, the device determines whether the increase is above a first intensity threshold and whether a change in the characteristic intensity proximate to a time when the characteristic intensity increases above the first intensity threshold has a first or a second value for an intensity-change metric. If the increase is above the threshold and the change has the first value, the device performs a first operation that changes the user interface displayed on the display; and generates a first discrete tactile output that corresponds to the increase. If the increase is above the threshold and the change has the second value, the device performs the first operation and generates a second discrete tactile output that corresponds to the increase.