A portable computing device using power consumption reduction and a method of operating therefor. The method can include the following steps: determining, in a sensor in the portable computing device, orientation changes of the portable computing device; determining, in the portable computing device, a status of a first operation of the portable computing device; determining, in the portable computing device, a status of a second operation of the portable computing device; discontinuing, in the portable computing device, the second operation in response to when the orientation changes of the portable computing device are less than a threshold, and in response to the status of the first operation and the status of the second operation; and outputting, on a display of the portable computing device, an indication to a user that the second operation has been discontinued.