OTA Updates/Apple TV/15.1

Apple TV HD

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
15.1	19J572^[1]	—		25 October 2021	5dc2721b39b30aff51f3cc76f4d7910149a54fb3.zip	2,543,115,793
	19J572	—			5dc2721b39b30aff51f3cc76f4d7910149a54fb3.zip	2,543,115,793
		13.3	17K449		6c056742d57cf216edd6b722f42ece472ff3ade0.zip	1,910,430,308
		13.3.1	17K795		fa65f8a6870766bf2103d623acce7d3c2e374ee9.zip	1,910,455,126
		13.4	17L256		b9743ab0336848158feb8a4a3d3c6c00e228e12e.zip	1,905,732,716
		13.4.5	17L562		0efd8d84cf40e5edf09352f68767671ed04226f6.zip	1,905,499,578
		13.4.6	17L570		ea5573d0616bae9aa17251ba3297920500c72ac0.zip	1,905,501,284
		13.4.8	17M61		de7540d6191a47bedde9bf0e41c0cd229c545de1.zip	1,905,353,518
		14.0	18J386		4a66a9565611db3a730ba53af23d7f87d56982fa.zip	1,557,514,432
		14.0.1	18J400		7b78184e39ca841c266f16aca730394373a1d3c4.zip	1,557,510,576
		14.0.2	18J411		a3d887bdf90151f5868d5e18282c872335bd845a.zip	1,557,512,151
		14.2	18K57		1726195170aa5333d03d06fa8d8dced1bececbf4.zip	1,534,610,077
		14.3	18K561		ca66bb2c89c3cf062989e2d328c1c1cfcab68961.zip	1,517,992,695
		14.4	18K802		88c695bf0a3e0ae417bf5a27a60c8609ffc91e15.zip	1,517,338,615
		14.5	18L204		78e36f54948ecfd5e163853c87127a440c0680a5.zip	1,343,009,897
		14.6	18L569		8a04107bc0e3957d7d7971fc554c65a2e0445955.zip	1,338,444,757
		14.7	18M60		5b2834e85377393e233a9ef0a936499e62af76e7.zip	1,327,364,559
		15.0	19J346		3c23cfd042a09b6fb9a69655f3af196beb4219e7.zip	342,336,250

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
15.1	19J572^[1]	—		25 October 2021	a0dcd05ecac842606be647f9627bf5b1c5a7fdae.zip	2,861,900,658
	19J572	—			a0dcd05ecac842606be647f9627bf5b1c5a7fdae.zip	2,861,900,658
		13.3	17K449		3ff1d96e864bee8075265865e6ff9935634b1cde.zip	2,197,540,865
		13.3.1	17K795		43767bd9ddd6c42d899da718ca515b756ce2584b.zip	2,197,099,266
		13.4	17L256		7e5d44767fa3ffd9d36ce842aa16c5eb547086fc.zip	2,191,713,079
		13.4.5	17L562		6c20851424003af2a4c04343f4b1177c9c4828b6.zip	2,191,441,531
		13.4.6	17L570		544fb2d9ea09b3a198e6812ce431534b39eaab40.zip	2,191,442,276
		13.4.8	17M61		9d5d99d24043c58b098c2a0806f729bba374881c.zip	2,191,270,620
		14.0	18J386		78bec7182344a2f89c0dd0d19f01780aa65dbcfc.zip	1,596,847,109
		14.0.1	18J400		83e238ae7ebd67ed1267cbf4179266355122a46f.zip	1,596,841,891
		14.0.2	18J411		591b6158d604ca1945738767ea67269cecf5b43a.zip	1,596,842,598
		14.2	18K57		46ee0abd8c0ff5fb7bf86318c801d8f0096a5a3d.zip	1,574,511,969
		14.3	18K561		ca909ebac26c4ce3aa3823866eb0517b773769a4.zip	1,557,348,076
		14.4	18K802		8247309baaa62673791b10bfd3d9b6ffe40c1470.zip	1,556,546,447
		14.5	18L204		f05c4a3a434b54281522092b394c6c1e13384871.zip	1,354,585,351
		14.6	18L569		4c08d20797c22dfc5e044073a89d44a53a02eee2.zip	1,352,842,526
		14.7	18M60		2449d821d6fdbb7e59d7feff54c473c15757c21b.zip	1,338,820,551
		15.0	19J346		0d3d5f4d66cea2d77847bdda36454805beb62d5a.zip	343,860,917

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
15.1	19J572^[1]	—		25 October 2021	1c4cc876b2ea8bf17e5ee1ac41df344f194f6587.zip	2,890,392,605
	19J572	—			1c4cc876b2ea8bf17e5ee1ac41df344f194f6587.zip	2,890,392,605
		14.5	18L204		6d9c51d2eb248e7c215c00c106f0f9a5e8690e5f.zip	1,385,113,112
		14.6	18L569		185a421536f294089824ca138d58c978c16c5ea9.zip	1,380,805,189
		14.7	18M60		6249cbc2ddff7ea4b21893a9595bff81e0a96ebb.zip	1,366,426,109
		15.0	19J346		115b33969d5a4fa7d2ce6da81eebb13b81004c46.zip	350,789,843

^ ^a ^b ^c Apple inflated the build number in its mesu.apple.com listing, presumably to make the device recognize the update.
(e.g. 19J572 was listed as 19J6572.) The listings on this page use the build number displayed on the device.