Method for switching network of Java SIM card, SIM card, server and system

Abstract

The invention relates to a method for switching the network of a Java SIM card, an SIM card, a server and a system. An existing method of changing a mobile communication network is that the SIM card in a mobile phone must be changed, and comprises a plurality of complex procedures and steps, and a user generally needs to offer more time and energy. The method comprises the steps of receiving a network switching triggering instruction issued by a receiver, triggering an APPlet application and executing the network switching operation. According to the method for switching the network of the Java SIM card, the SIM card, the server and the system, the SIM card does not need to be changed when the communication network is changed, and smooth transition from the previous communication network to the new communication network can be realized for the user.

Description

technical field [0001] The invention belongs to the fields of smart cards and mobile communications, and in particular relates to a method for transferring a Java SIM card to a network, a SIM card, a server and a system. Background technique [0002] With the development of mobile communications, the operating environment in my country's communications field has become more open. At present, the Ministry of Industry and Information Technology has issued virtual operator licenses to dozens of domestic private enterprises, officially kicking off the era of virtual operations. At present, virtual operators mainly use the basic networks of the three major operators (China Mobile, China Unicom, and China Telecom) as the basis for business development. Self-owned network construction is just around the corner. However, users are currently unable to choose an operator they recognize without changing the SIM card of their mobile phone. They can only change the service to which thei...

AI Technical Summary

Problems solved by technology

However, users are currently unable to choose an operator they recognize without changing the SIM card of their mobile phone. They can only change the service to which their mobile phone number belongs within the framework of the same operator (such as China Mobile's mobile phone number, which can be used in China) Switch between the two brands of "Global Link" and "Shenzhouxing" to which China Mobile belongs)

When users change operators, they often need to go through a complicated business process and must replace the SIM card of the mobile phone. These cumbersome links will inevitably affect the user experience and are not conducive to the formation of reasonable market competition.

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