OTA Updates/Apple TV/15.1

Apple TV HD

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

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

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