Dual Standby Hardware and Software SIM Management
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Solution Overview
Problem
Existing virtual SIM card technology cannot support simultaneous standby of both hardware and software-based subscriber identity module (SIM) cards, leading to inconvenience for users who cannot access services or be contacted using their hardware SIM card when using a virtual SIM card.
Innovation Solution
A method and terminal device that allow simultaneous standby of both hardware and software-based SIM cards by using a third-party invocation interface to manage network access for software-based SIM cards without affecting the standby state of hardware-based SIM cards, enabling interaction through different interfaces to maintain network access and standby states independently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If virtual SIM card technology is used, then software-based SIM card functionality is enabled, but hardware SIM card standby capability is lost
Solution Approach 1:
The patent segments the SIM card functionality into two independent parts: a hardware SIM card interface module that maintains physical SIM card support, and a virtual SIM card module that provides software-based SIM functionality. This segmentation allows both hardware and virtual SIM cards to coexist and operate independently, resolving the contradiction where using virtual SIM card technology previously caused loss of hardware SIM card standby capability.
2Adaptability or versatility
If hardware SIM card interface module is added, then simultaneous standby of hardware and virtual SIM cards is enabled, but device complexity increases
Solution Approach 1:
The hardware SIM card interface module is designed with multi-functionality to reduce overall device complexity. It can work with both hardware SIM cards and virtual SIM cards, providing universal support for dual standby functionality. This multi-functional design avoids the need for separate dedicated hardware for each SIM card type, thereby managing complexity while enabling simultaneous standby of both hardware and virtual SIM cards.
Data Source
AI summary
A method and a terminal device for keeping a subscriber identity module card in a standby state, including receiving an enabling request to enable dual standby of a first subscriber identity module (SIM) card and a second SIM card in the terminal device, wherein the first SIM card is software-implemented, and wherein the second SIM card is hardware-implemented, accessing a first network for the first SIM card by invoking a third-party interface of an operating system of the terminal and using a data file associated with the first SIM card, and implementing a dual standby of the first SIM card and the second SIM card.