Patent ID: 8682383

Claim:
A data account management method for a mobile communication terminal, comprising the following steps of: a01. creating a database for each mobile communication operator of the mobile communication terminal respectively, the database comprising names and priority orders of data accounts corresponding to the respective mobile communication operator; a02. when a new SIM card is inserted in the mobile communication terminal, determining an available data account of the new SIM card and a priority order of the available data account according to the database and creating the data account group; wherein the step a02 comprises: when a new SIM card is inserted in the mobile communication terminal, listing the data accounts corresponding to the respective mobile communication operator according to the database for choice by a user; and creating the data account group according to the choice of the user and the priority orders of the data accounts in the database; a. choosing one of SIM (Subscriber Identity Module) cards of the mobile communication terminal when an application of the mobile communication terminal needs to use a data account; b. searching for a corresponding data account group of the SIM card, and choosing data accounts, which are stored in the data account group, in sequence according to priority orders of the data accounts; and c. activating the data accounts that are chosen.