The present invention relates to a method for managing roaming of a mobile equipment of a subscriber, when the mobile equipment is roaming. The method comprises the steps: to store a first list customized for each subscriber, the first list comprises information regarding the visited countries, number of times a certain country have been visited, and for how long time the country have been visited; to store a second list customized for each subscriber, the second list comprises information about preferred operators for a part of the countries on the first list; to receive a roaming signal from the Home Location Register when the mobile equipment is roaming into another network or monitor a roaming signal intended for the Home Location Register; in response to the roaming signal, to update the first list; if the first list has changed above a predetermined threshold value, to update the second list; and to send the updated second list to the mobile equipment.