OTA Updates/Apple TV/4.1

NOTE: "Marketing Version" is the version that the Apple TV reports in its "About" screen.

Apple TV (2nd generation)

Version		Build	Prerequisite Build	Release Date	OTA Download URL	File Size
Marketing	Internal
4.1	4.2	8C150	—	22 November 2010	appletv2,1_fullreplacement_8c150.ipsw	275,495,283
			8M89		appletv2,1_8m89_to_8c150.ipsw	118,142,513

Over-the-air, often used to refer to OTA Updates, where an iOS device downloads and installs an update on itself without assistance from external hardware