The specification defines the interface between the Profile Creator (usually the SM-DP+ Subscription Manager) and the eUICC. It ensures that the data is packaged in a way that the secure element can parse and install without needing custom, proprietary drivers for every specific chip model.

The GSMA FS.38 specification is a technical standard developed by the GSM Association (GSMA) that outlines the requirements for a secure authentication framework for mobile devices. The specification focuses on providing a standardized approach for authenticating mobile devices and users, enabling secure access to mobile networks and services.

GSMA FS.38 is a critical Official Document titled . Developed by the GSMA's Fraud and Security Group (FASG) , it provides a framework for securing Session Initiation Protocol (SIP) communications across fixed, mobile, and converged networks. Overview of GSMA FS.38