Abstract: A method of operating one or more location services of a mobile device. The method comprises accessing a dataset which geographically maps a plurality of points of interest (POIs), estimating a movement route of a user of a mobile device to a user desired destination, selecting at least one of the plurality of POIs based on a proximity to the estimated movement route, calculating an estimated time of arrival of the user to a proximity with the at least one selected POI, and timing a switch in an operation mode of the at least one location service from an idle mode to an active mode according to the estimated time of arrival.