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Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Repair Windows errors before they cause bigger problemsFix Now →Start by deciding whether your platform provisions consumer devices or manages constrained IoT devices and fleets. These are different GSMA remote SIM provisioning architectures, not interchangeable modes of one generic workflow: consumer products use the SGP.22 path, while constrained IoT deployments use SGP.31 and SGP.32. The available project evidence does not establish what AI features were built, so an accurate technical rebuild must separate verified architecture from any AI claim.
Choose the eSIM architecture that matches the device
The first design decision is where provisioning happens and who—or what—initiates it. GSMA SGP.22 describes remote SIM provisioning architecture for consumer devices. GSMA SGP.32 describes the IoT technical architecture and requirements, including remote provisioning and management for devices with constrained network connections or user interfaces.
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Do not select an architecture based only on the fact that both products use eSIMs. Device constraints, the presence or absence of an end user, and the applicable GSMA version shape the responsibilities on the device and platform sides.
| Decision point | Consumer device: SGP.22 | IoT device or fleet: SGP.31 / SGP.32 |
|---|---|---|
| Target | Consumer devices using the consumer remote SIM provisioning architecture. | IoT devices, including deployments with constrained networks or user interfaces. |
| Provisioning interaction | Use the consumer-device architecture; do not assume the fleet-management model applies. | The Trusted Connectivity Alliance (TCA) describes the eIM as supporting remote profile management for an individual device or fleet without direct end-user interaction. |
| IPA placement | Not established here; confirm the applicable SGP.22 version and requirements. | The TCA overview describes IPAd on the device and IPAe on the eUICC. Device makers choose placement according to requirements and expertise. |
| Transport and protocol considerations | Confirm requirements in the selected consumer specification. | The TCA overview describes CoAP as an alternative to HTTPS and DTLS as an alternative to TLS for constrained deployments. These are options to verify, not universal requirements. |
| Standards path | GSMA’s index lists SGP.22 v2.7 as active, published 24 April 2026. Confirm the applicable version for the intended deployment. | GSMA’s index lists SGP.31 v1.3 and SGP.32 v1.3 as active, published 22 May 2026. Confirm the applicable version for the intended deployment. |
Consumer provisioning: keep the user-device model intact
For a consumer product, anchor the design in the GSMA SGP.22 consumer-device remote SIM provisioning architecture. The GSMA SGP.22 v2.7 landing page is dated 27 April 2026, while the GSMA index lists that version as active and published 24 April 2026. Use the specification and current index to determine the exact version and implementation requirements for your product rather than treating one page date as a substitute for version verification.
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A GSMA search result also identifies SGP.22 v3.1 as a consumer-device RSP architecture technical specification, but its applicability to a particular product or certification path is not established here. Check the current GSMA index and the requirements for the deployment before committing to a version.
IoT provisioning: design for fleet operation and constraints
GSMA SGP.32 v1.3 describes the IoT eSIM technical architecture and requirements, including remote eUICC provisioning and management, IoT eUICC architecture, interfaces, and security functions. The GSMA page is dated 28 May 2026 and says it technically describes SGP.31 v1.3 architecture and requirements; the GSMA index lists both SGP.31 v1.3 and SGP.32 v1.3 as active and published 22 May 2026.
The TCA’s September 2024 overview explains how the IoT model builds on the consumer ecosystem, including SM-DP+, and adds eIM and IPA components. It is explanatory material, not the normative source for implementation. Use current GSMA specifications for required behavior.
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Map responsibilities before building services
Once the target architecture and version are chosen, draw a responsibility map before implementing APIs, device agents, or fleet workflows. It should identify what runs in the platform, what runs on the device or eUICC, and which interactions the selected GSMA specification governs. This prevents a common architectural error: treating consumer-device provisioning and unattended IoT fleet management as one flow with only different screens.
For an IoT fleet
Use the SGP.32 architecture to establish the platform’s role in remote management. The TCA overview identifies the eIM as a component that supports remote profile download and management across a device or fleet without direct user interaction. It also describes the IPA as either IPAd, residing on the device, or IPAe, residing on the eUICC. Record the chosen placement and the responsibilities on each side, then confirm exact interfaces and behavior against the applicable GSMA version.
Network and power constraints affect which communication approaches are suitable. The TCA overview discusses CoAP as an alternative to HTTPS and DTLS as an alternative to TLS; it does not establish that either alternative is mandatory for every device. Validate protocol support, security requirements, and version-specific rules in SGP.32 before implementation or a compliance claim.
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For a consumer product
Keep the design tied to the selected SGP.22 version and its consumer-device model. The available evidence establishes that SGP.22 describes consumer RSP architecture, but it does not establish a complete service decomposition, API contract, or device-side implementation for a particular product. Do not fill those gaps by borrowing IoT fleet components or inventing interfaces; derive them from the applicable specification and the actual device and service requirements.
Model profile operations as a lifecycle, not a download button
A platform’s responsibility is broader than initiating a profile download: the selected architecture governs remote provisioning and management behavior. For IoT, the GSMA describes SGP.32 as covering remote eUICC provisioning and management, and the TCA explains that eIM can support remote profile download and management for a device or fleet. The available evidence does not define a complete, version-specific operation sequence or API surface, so implementation details must come from the normative specification rather than assumptions.
Turn the selected specification into an explicit lifecycle model before coding. For every supported operation, document its initiating actor, the device or eUICC responsibility, the platform-side responsibility, expected outcome, and failure or retry behavior. Keep consumer and IoT lifecycle diagrams separate unless the relevant standards explicitly establish shared behavior.
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- Identify which component is permitted to initiate each operation.
- Record what state the platform must track and what state is authoritative on the device or eUICC.
- Define how the platform detects completion, interruption, or an ambiguous outcome.
- Specify how fleet-level actions are scoped so an instruction intended for one device cannot silently affect another.
These are design questions to resolve against the selected specification and deployment, not claims that a particular implementation or sequence has already been verified.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Treat security boundaries as architecture
GSMA explicitly includes security functions in SGP.32’s scope. That makes security part of the system design, not a layer to bolt on after the provisioning flow works. The available evidence does not establish a specific project’s threat model, key custody, certificate lifecycle, or audit controls; those decisions must be documented and verified for the implementation.
At minimum, map the trust boundaries among platform services, device software, the eUICC, and any external systems involved in provisioning. For each boundary, specify what identity is being authenticated, what actions are authorized, how credentials and certificates are managed, and which events are recorded for investigation. Validate the answers against the normative GSMA requirements and the security needs of the deployment; do not infer compliance from using a named protocol or component.
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Decide what AI does—and prove the claim
“With AI” is meaningful only when it describes a specific implemented task. The available project evidence does not identify an AI feature, model, input data, evaluation, or production behavior. It therefore cannot support a claim that AI provisions profiles, manages fleets, improves reliability, or makes operational decisions in this rebuild.
If AI is part of the implementation, document these points so readers can distinguish it from standards-driven provisioning logic:
- Task: the bounded job the AI performs, such as classifying support cases or summarizing operational alerts. Treat examples as possible uses, not features established for this platform.
- Inputs: the data supplied to the system, its source, and any sensitive information excluded or protected.
- Output and authority: what the system returns and whether a person reviews it or an automated workflow acts on it. Keep profile-management actions governed by the applicable architecture and authorization controls.
- Evaluation: how quality and failure are measured for the stated task, using a method appropriate to its consequences.
- Failure handling: how the system behaves when inputs are missing, output is uncertain, or the AI component is unavailable—including how operations continue without it.
Unless those details are established, describe the platform as an eSIM architecture or rebuild guide, not as a demonstrated AI implementation. AI should not be presented as a substitute for GSMA-defined behavior, security controls, or interoperability validation.
Separate a working prototype from a deployable platform
A flow that works in a controlled demonstration does not by itself establish standards conformance, interoperability, certification, production readiness, or operational reliability. No project-specific test results or conformance evidence are established here.
Before making those claims, tie each one to evidence for the intended device, GSMA version, and deployment. Keep specification review, interoperability testing, any applicable certification path, and production operations as distinct checks; success in one does not automatically prove the others.
Quick Recap
- Verify the active GSMA specification versions and requirements for the target deployment.
- Test the selected architecture with the actual device and eUICC capabilities, including the relevant network, power, and interface constraints.
- Validate security behavior and failure recovery against documented requirements.
- Support claims about interoperability, certification, or production with results from the relevant process—not an architecture diagram or prototype demonstration.
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