新加入的功能包括可以搜索电影的预告片，全新的屏幕保护程序，更改应用图标顺序，字幕开始支持SDH（为听力障碍用户带来方便），网络设置。Apple TV 5.1系统还提升了整体的稳定性和性能。用户可以通过设置菜单中的软件升级功能获取更新补丁。
更新列表:
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Shared Photo Streams — Accept invitations for Shared Photo Streams, browse photos and comments, and receive notifications of new content.
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AirPlay — Send audio content from Apple TV to
AirPlay-enabled speakers and devices (including AirPort Express and
other Apple TVs). Also includes the ability to require an onscreen code
to use AirPlay with your Apple TV.
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iTunes account switching — Save multiple iTunes accounts and switch quickly between them.
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Trailers — Search movie trailers. In the United States, see show times for local theaters.
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Screen savers — New Cascade, Shrinking Tiles, and Sliding Panels screen savers.
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Main menu— Reorder icons on the second page by holding down the select button on the remote.
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Subtitles — SDH support for the deaf and hard-of-hearing as well as improvements to viewing and selecting subtitles.
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Network configuration — Support for setting up advanced network options using configuration profiles.
- Stability and performance — Includes general performance and stability improvements.