ROAMING SETTING METHOD AND A UE FOR IMPROVING SELECTION PROCEDURE OF PLMN WHEN GLOBAL ROAMING, CAPABLE OF REDUCING BATTERY CONSUMPTION BY PREVENTING ERROR GENERATION

摘要

PURPOSE: A roaming setting method and UE(User Equipment) for improving selection procedure of PLMN(Public Land Mobile Network) when global roaming are provide to avoid unnecessary time waste by preventing error generation when selection improvement of PLMN is performed.;CONSTITUTION: A region which will be roamed is inputted through a UI(User Interface)(S110). A user terminal stores PLMN ID information which contracted a roam to priority PLMN ID information of SIM(Subscriber Identity Module)(S120). The user terminal deletes PLMN ID information which is registered at last from location information of SIM(S130).;COPYRIGHT KIPO 2010