eSIM Profile Synchronization for Real-Time Mobile Network Updates

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Solution Overview

Problem

Existing methods for managing eSIM profiles are inefficient, requiring manual interventions and have limited scalability, with a need for dynamic and responsive solutions to ensure data integrity and security during profile data transfers.

Innovation Solution

A method and device for transferring eSIM profile data using a network management device and a server device, where the server device manages eSIM profiles, ensuring secure, scalable, and real-time updates by polling for updates and synchronizing database entries with a network management device.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If manual intervention methods are used for eSIM profile management, then data security can be maintained through human oversight, but operational efficiency and scalability deteriorate due to complex procedures and time-consuming processes

Engineering Contradiction:
Improveoperational efficiencyVSAvoidprocedure complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The system enables automated self-service operations where the eSIM profile management system automatically detects, downloads, and installs profile updates without manual intervention. The server autonomously manages the entire update process including validation, installation, and activation, eliminating the need for human operators to perform repetitive manual tasks while maintaining system security through automated verification protocols.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent replaces manual mechanical operations with automated electronic systems. The update mechanism substitutes human hands-on procedures with server-based automated processes that electronically push updates to eSIM devices. This substitution eliminates physical SIM card handling and manual configuration steps, significantly improving operational efficiency while reducing procedure complexity.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Speed

If traditional profile update methods are used, then system stability is maintained through established procedures, but real-time responsiveness and update speed deteriorate due to delayed synchronization

Engineering Contradiction:
Improveupdate speedVSAvoiddata integrity
Core Design Contradiction:
SpeedVSReliability

Solution Approach 1:

The system implements a feedback mechanism where the server continuously monitors eSIM profile status and automatically triggers update downloads when changes are detected. The server receives status information from eSIM devices, processes this feedback, and initiates appropriate update actions. This closed-loop feedback system ensures real-time responsiveness while maintaining data integrity through automated validation protocols that verify update correctness before installation.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The server performs preliminary actions by maintaining a ready pool of validated profile updates and pre-processing update packages before they are needed. When an eSIM device requests an update or when the server detects a need for updating, the update is already prepared and can be immediately transmitted. This preliminary preparation eliminates delays associated with on-the-fly processing while ensuring update integrity through advance validation.

Inventive Principle:
Principle #10Preliminary action

3Adaptability or versatility

If centralized server management is implemented, then scalability improves enabling multiple devices to be managed, but network traffic and data transfer requirements increase

Engineering Contradiction:
ImprovescalabilityVSAvoidnetwork traffic
Core Design Contradiction:
Adaptability or versatilityVSQuantity of substance

Solution Approach 1:

The patent segments the profile management system into distributed server instances that can independently handle different eSIM devices. Each server can manage specific device groups or operators, allowing the system to scale horizontally by adding more server segments. This segmentation reduces network traffic per server by localizing management responsibilities and enables parallel processing of multiple update operations, thereby improving scalability without proportionally increasing overall network burden.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentEP4661453A1Method and devices for updating and synchronization of profile data in mobile networks
Publication Date: 2025.12.10 GIESECKE DEVRIENT MOBILE SECURITY GERMANY GMBH
  • EP4661453A1 patent drawingFigure 1~2
  • EP4661453A1 patent drawingFigure 3
  • EP4661453A1 patent drawing

AI summary

The present invention relates to a method for transferring profile data to a server device, comprising the steps of providing an update request relating to a profile data update affecting the profile data, transferring the profile data from a network management device to the server device in response to receiving of the update request and updating a database entry according to the transferred profile data. The invention further relates to a server device for providing profile data to a user device configured to receive the profile data from a network management device in response to an update request, and to update a database entry according to the transferred profile data. Also disclosed is a network management device for providing profile data to a server device, configured to send an update request to the server device.