eUICCModule

An eUICCModule is a hardware component that implements an embedded Universal Integrated Circuit Card (eUICC) capability within a device. It enables remote SIM provisioning and management of mobile network operator profiles without the need for a physical SIM card, allowing a device to operate on one or more networks after manufacture.

The module stores multiple operator profiles securely and supports downloading, activating, switching between, and deleting profiles through remote SIM provisioning (RSP). This enables over-the-air changes to network access without recalling or replacing the device’s SIM hardware. The eUICCModule is designed to work with profile lifecycle workflows such as provisioning, activation, deactivation, and retirement, often managed by the device, carrier, or a dedicated management platform.

Typically, an eUICCModule is built around a tamper‑resistant secure element and a cryptographic engine that provides hardware-backed keys, secure authentication, and protection against tampering. It supports secure enrollment, mutual authentication with mobile network operators, and secure over‑the‑air updates to profiles and firmware. Compliance with standardization efforts for eSIM and RSP ensures interoperability across devices and networks.

Applications include consumer devices like smartphones and tablets, as well as wearables, embedded IoT modules, and connected vehicles. Benefits include faster operator onboarding, simplified logistics, the ability to switch operators or data plans without swapping hardware, and improved device flexibility. Considerations include reliance on provisioning infrastructure and the need to align with regulatory and carrier requirements.