macOS Sierra build 16F5049f
|Build of macOS Sierra|
macOS Sierra build 16F5049f is a factory testing build of macOS Sierra 10.12.5. It was leaked onto a Discord server in the form of an operating system disk image dump on 30 October 2023, and subsequently uploaded onto the Internet Archive the same day.
The build notably contains development tools used for testing hardware functionality on newly-manufactured and refurbished Mac computers (including extended validation (EV) units).