Patent ID: 8180400

Claim:
A method for setting a service in a mobile communication terminal including at least first and second user identity cards, the method comprising: receiving signals from first and second networks corresponding to the first user identity card and the second user identity card, respectively, before the first and second identity cards are activated on the mobile terminal; comparing signal strengths of the signals from the first and second networks; determining the signal from the first network is stronger than the signal from the second network; selecting the first user identity card to be used for mobile communication based on the determining step determining the signal from the first network is stronger than the signal from the second network; temporarily activating the second user identity card; accessing the second network corresponding to the second user identity card and requesting the second network forward services directed to the second user identity card to the first user identity card; and activating the first identity card and deactivating the second user identity card before accessing the first network and after requesting the second network forward services directed to the second user identity card to the first user identity card.