macOS Sierra build 16F5049f

16F5049f
Build of macOS Sierra
16F5049f about.png
Architecturex86_64
Compiled2017-03-20
Timebomb
Works in

macOS Sierra build 16F5049f is an internal development build of macOS Sierra 10.12.5. The build was originally discovered on a refurbished MacBook Pro purchased by a Reddit user on 10 October 2019.[1] The contents of the hard disk containing the build itself was later leaked onto a Discord guild on 30 October 2023, and subsequently uploaded onto the Internet Archive the same day.[2] The build notably contains development tools used for testing hardware functionality on newly-manufactured and refurbished Mac computers (including extended validation (EV) units).

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