The phrase likely refers to a specific version of the NVN API , which is the proprietary graphics API developed by NVIDIA for the Nintendo Switch [2, 3].

Exclusive note: The partition scheme requires a runtime lock that only version 5515 provides.

hardware. While information on specific version numbers is often restricted under non-disclosure agreements (NDAs) for official developers, version 5.5.15 is recognized for its performance optimizations and specific features tailored for the Switch's unique architecture. Key Aspects of NVN API 5.5.15 Low-Level Hardware Access : Unlike general-purpose APIs like