Device Activation Eligibility Check via WLAN

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Solution Overview

Problem

User devices, such as cellular phones, are vulnerable to theft and fraud due to their high value, and existing anti-theft and anti-fraud solutions often require activation before they can be effective, failing to address the issue of devices being stolen or used illicitly before activation.

Innovation Solution

Implementing a device eligibility check during the activation phase using a secure execution environment and a WLAN connection to determine if the device has been legitimately sold, rendering it inactive and less valuable if the check fails, thereby discouraging theft and fraud by preventing network access.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If device activation is required before anti-theft protection can be applied, then device functionality is maintained during setup, but the device remains vulnerable to theft and fraud during the activation phase

Engineering Contradiction:
Improveanti-theft protection effectivenessVSAvoiddevice activation process
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The system performs preliminary eligibility verification during the device activation phase, checking device identifiers against fraud databases before completing activation. This preliminary action prevents fraudulent devices from becoming fully operational, addressing the vulnerability window that exists in conventional activation processes.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system applies preliminary anti-action by blocking fraudulent devices during activation through real-time verification against equipment identity registers and fraud databases. This prevents malicious activation attempts before they can compromise the network, countering the fraud vulnerability inherent in traditional activation workflows.

Inventive Principle:
Principle #9Preliminary anti-action

2Object-affected harmful factors

If device eligibility checking is performed during activation phase, then fraudulent devices are blocked before network access, but additional verification steps increase activation complexity

Engineering Contradiction:
Improvefraudulent device accessVSAvoidactivation process steps
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The system performs eligibility verification as a preliminary step during device activation, checking device identifiers against equipment identity registers and fraud databases before completing network activation. This preliminary security check blocks fraudulent devices early in the process.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system introduces an intermediary verification layer that mediates between device activation requests and network access approval. This intermediary eligibility check mechanism coordinates with existing activation workflows while adding security verification, rather than completely redesigning the activation process.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Reliability

If devices are rendered unactivatable upon fraud detection, then network security is improved, but legitimate devices may also be affected by false positives

Engineering Contradiction:
Improvenetwork securityVSAvoiddevice activation flexibility
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The system implements feedback mechanisms where eligibility verification results are communicated back to the activation process, allowing legitimate devices to proceed while blocking fraudulent ones. The system can adjust its verification strictness based on device credentials and network policies, providing adaptive security that reduces false positives.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system changes verification parameters dynamically based on device characteristics, network conditions, and security policies. By adjusting verification stringency and eligibility criteria based on contextual factors, the system maintains high security while accommodating legitimate activation scenarios, preventing false rejections of valid devices.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS10805790B2Device activation enablement
Publication Date: 2020.10.13 T MOBILE US INC
  • US10805790B2 patent drawing
  • US10805790B2 patent drawing
  • US10805790B2 patent drawing

AI summary

A user device may be authorized to access a telecommunications network, such as a cellular network, after completing a boot process that includes a device activation phase and a network activation phase. An application resident on the user device initiates, in the device activation phase, a device eligibility check over a secondary communication network such as a WLAN. Device eligibility may be determined by whether the user device was legitimately sold. If the user device fails the eligibility check, the boot process is stopped, rendering the user device inactive. If the user device passes the eligibility check, the application initiates the network activation phase in which the user device is checked against a blacklist. If the user device is blacklisted, the boot process is shut down. If the user device is not blacklisted, the boot process completes normally.