OTA Updates/Apple Watch/6.0

Apple Watch Series 3

Watch3,1

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
6.0	17R575^[1]	6.0 beta	17R5491t	19 September 2019	4d906fc0128394a3f70717eb67b817e1413e3086.zip	490,211,659
		6.0 beta 2	17R5507l		8042999400ad9e64cadc8c11709506a9d9ea9c91.zip	453,337,961
		6.0 beta 3	17R5521e		df05896b2201bcb7ed21114e6fe4510d8fdcff7f.zip	423,935,757
		6.0 beta 4	17R5532f		bb4faeb575dcc1c8e9282708d772b14199c0b298.zip	319,964,205
		6.0 beta 5	17R5546f		9cdd8a001bace1e895782028e069cdb047c622c9.zip	236,481,797
		6.0 beta 6	17R5556d		0cc8799ac10cb41e54a1f9fb0e4f4ae2ac7f2f9c.zip	175,102,808
		6.0 beta 7	17R5566a		6dc8733dbea51cec765545786f0ad9bc6710ea6d.zip	140,604,836
		6.0 beta 8	17R5571a		e398e7f4d9f128ecc1cfc382cc90241cf6524e71.zip	138,483,360
		6.0 beta 9	17R5575a		1e689df44a5560ce21f1a28930c9b4c62c39c33a.zip	1,506,533,955
	17R575	—			1e689df44a5560ce21f1a28930c9b4c62c39c33a.zip	1,506,533,955
		4.0	15R610		006cd3681ef2dd5c2ecb2931222fe0cca4126b74.zip	1,193,032,946
		4.0.1	15R654		e089027955908354a5b44daa006baabf8dd10f70.zip	1,193,028,073
		4.1	15R846		23245b5f8af372681b0efe855d3b0959c0b2463b.zip	1,172,947,836
		4.2	15S102		97771a8d0b66cbbd539bccda5d9ed4748db6fe71.zip	1,170,222,628
		4.2.2	15S542		5d8da1acfa1de06e1135300a6a8feb6b0c342b56.zip	1,170,191,312
		4.2.3	15S600b		780af847d1ccd4519867536fe09f1e116b091459.zip	1,170,198,591
		4.3	15T212		312c8e3a11e08be89a39a3879dd3bc4d05fb3c45.zip	1,167,507,541
		4.3.1	15T567		19481c41422ace946f9db7960f967fda33b03f3c.zip	1,167,617,863
		4.3.2	15U70		6e2ed4892d7f010167b4d40f96b7250014a78cb9.zip	1,167,624,159
		5.0	16R364		517780356aa1152e98e882d50cfdb4a10405b7a4.zip	887,964,468
		5.0.1	16R381		c95ab1362f5c7cd1bc9518298ab6f8272be1e9bf.zip	887,964,951
		5.1	16R591		e0e6f4a64c980dbdd6befb89b69fdbab233b5997.zip	881,079,958
		5.1.1	16R600		5d2b57b99f130781b8e5c9407d863971e1aeef0b.zip	881,087,123
		5.1.2	16S46		a3d14115d6b481d14d03509dc90789b67e2082d1.zip	868,686,859
		5.1.3	16S535		61f4ed4370ad1c41fc1283a538f5b1218773f7ed.zip	868,649,800
		5.2	16T225		b56760b9dafda2e51b3bc8136dc80b03471dee8e.zip	777,028,233
		5.2.1 beta	16U5079d		e2e25615279bc28e70b19708b90c279c0b5df764.zip	775,771,202
		5.2.1 beta 2	16U5091b		3f518f9cc250ea37c7e4dc5e87b5fdf82d05aead.zip	775,711,353
		5.2.1 beta 3	16U5101c		24312c446b9e82af05e4e2fd95dd1ca03b336d26.zip	776,230,302
		5.2.1 beta 4	16U5110a		540343fbb2f9dacd5c0ce3a88ebd650438f72d76.zip	776,098,198
		5.2.1 beta 5	16U5113a		c8fa08071113cced88ea91a4218bae7b55d8af64.zip	776,076,294
		5.2.1	16U113		de687f8a7b56d47dc1de9cba9a8deaea10cf4078.zip	776,042,693
		5.3 beta	16U5526f		ddc0c3fd0090add080e7da4a474c0c11fa9145c1.zip	775,934,822
		5.3 beta 2	16U5537b		f0c7199275d0c99e2471c4966f5f56e3c766ae1e.zip	775,933,542
		5.3 beta 3	16U5545c		3c5a20871dd72d6f56e338fd9eb727d85da2fefe.zip	775,839,761
		5.3 beta 4	16U5558b		3fad16636753e5571f086cbdb7f88d96de5c4c4b.zip	775,704,864
		5.3 beta 5	16U5566a		c4321513e39b51cd5f7d8dff170af3b97c9f7079.zip	775,574,747
		5.3 beta 6	16U5569a		632c70306c89ec33c137ebbb71b0fe0d13c07f58.zip	775,580,929
		5.3	16U569		8c138571bd6dafbba089001c9847763cdfd0772c.zip	775,563,824

Watch3,2

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
6.0	17R575^[1]	6.0 beta	17R5491t	19 September 2019	5b3522100752e7a24d484260857471b067f7d1eb.zip	490,380,058
		6.0 beta 2	17R5507l		a2fba841cbe811e091f22952ba660030828b5147.zip	453,502,600
		6.0 beta 3	17R5521e		eaae4975e2756f445d5f5b2e8332b3337895140e.zip	424,086,861
		6.0 beta 4	17R5532f		a59eba0cc13df37c6a1caf5d9ecbe7f2f5bd9cf0.zip	320,094,769
		6.0 beta 5	17R5546f		e488b1fb5bec7412f2528b9ad2d265c61e58694f.zip	236,625,752
		6.0 beta 6	17R5556d		1c8751d8b08ce8261845e000b69fabcb9ae8324d.zip	175,185,498
		6.0 beta 7	17R5566a		397a1593e1ae3a4d5518f0a22fb9c7de3334d877.zip	140,615,675
		6.0 beta 8	17R5571a		0e9aa619b334acdac419eeb111b700ce915234a3.zip	138,492,536
		6.0 beta 9	17R5575a		6297d46262727a297a0906e41c37e51ea41ba787.zip	1,516,408,269
	17R575	—			6297d46262727a297a0906e41c37e51ea41ba787.zip	1,516,408,269
		4.0	15R610		4c63c65439a3d6bf330e107380350e5bcbe1161d.zip	1,196,917,415
		4.0.1	15R654		4c508b3d4c283771d3e186e67606bb22785bbb81.zip	1,196,911,730
		4.1	15R846		2f523319090da11f403687ed9ff69b617c8cbe62.zip	1,176,024,893
		4.2	15S102		3cee08470c8db5757451b35bf7449ca48cf78b14.zip	1,174,337,434
		4.2.2	15S542		9c9caefadd04b5808bc7c82fb734a882f31cf8ad.zip	1,174,306,459
		4.2.3	15S600b		158c56bc7055ec1ed8a32b5ceeefccf40ade2f80.zip	1,174,313,529
		4.3	15T212		78af618eeeae9d12be8a0d244d62b85ccd499e6c.zip	1,170,186,174
		4.3.1	15T567		24ae486fa28e8f9e0f93514b1646446a93fbd747.zip	1,170,015,461
		4.3.2	15U70		53d9d9aa150230b7a443757179514ff20b3b52b8.zip	1,170,011,922
		5.0	16R364		672cd5a2ec26a5152bcce804487caae4ebe22355.zip	891,615,668
		5.0.1	16R381		9ab7d8df130571372780957cb747ed857a0d4d39.zip	891,613,537
		5.1	16R591		630f5baa469e4133d8c84058e83189afeb287d3f.zip	884,772,679
		5.1.1	16R600		d35613a681ee4f9f33981a5e0a0ae83f4d7b06f1.zip	884,777,413
		5.1.2	16S46		ec532fa3ada46634452ed43cc1196e9d704943a9.zip	871,535,814
		5.1.3	16S535		2a6048181b984a0ecdbea590dd758cb7e0f25d9b.zip	871,514,129
		5.2	16T225		029e8e9362979de1ed7481b4256cb03ee86725d8.zip	780,099,767
		5.2.1 beta	16U5079d		6d1b37e737efa347e71789937591cb8447c28dbd.zip	778,823,626
		5.2.1 beta 2	16U5091b		5f2853fea28f194e364500fc1578981e7453ac60.zip	778,864,040
		5.2.1 beta 3	16U5101c		0580608a5b3e2e0ecc086e3887942948804ac43b.zip	779,367,513
		5.2.1 beta 4	16U5110a		8d45c34ae61e39c1e03c287fc947379f5a6ec691.zip	779,241,065
		5.2.1 beta 5	16U5113a		7c649447b693059c794595090bff2e4c7f3ea567.zip	779,219,678
		5.2.1	16U113		15aa0f2296f86fc9a0356235c9bba59979b6ee02.zip	779,214,993
		5.3 beta	16U5526f		897e5b1b4abcb88ba95d49c8dd0acaf4f0d91615.zip	779,073,735
		5.3 beta 2	16U5537b		e24df91f82ea8d8fa5479d5664c078bba41c7107.zip	779,065,364
		5.3 beta 3	16U5545c		cbec62c0c62f8579b705a342a03345b945967762.zip	778,940,535
		5.3 beta 4	16U5558b		31c959aaf4ff279f56a307bf83057e1c09ee7e01.zip	778,845,375
		5.3 beta 5	16U5566a		258dd4c83571cbdc8ba6d7ef50ec0e8502166849.zip	778,689,253
		5.3 beta 6	16U5569a		4b1410e49c01072583ceea9fb3065b7f8744aa28.zip	778,677,215
		5.3	16U569		5be9c7fd92e6872df0791df96c55ee4b50ed2db5.zip	778,657,729

Watch3,3

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
6.0	17R575^[1]	6.0 beta	17R5491t	19 September 2019	3a4298f256520cd71a9eeb4ef15374bda8489a20.zip	457,925,632
		6.0 beta 2	17R5507l		662b48a1bb6f3cafba29161b2006d0edd10bab1f.zip	421,600,531
		6.0 beta 3	17R5521e		faeaf270f4cfaaec17aebcb6b0a6af6b8f00b3b3.zip	391,507,275
		6.0 beta 4	17R5532f		7881ce58ea2157c6b96002b66943a3ba9bc80e38.zip	289,317,583
		6.0 beta 5	17R5546f		05ecae28d3ff16c44811cb2f13e3fc51ca4db5be.zip	205,854,298
		6.0 beta 6	17R5556d		4741c760458f50cf04a1a252cef6f16dd986e567.zip	169,566,953
		6.0 beta 7	17R5566a		ef525c2bdff227d1d9a34b5f3c1d4917c490eb6b.zip	134,785,537
		6.0 beta 8	17R5571a		89af5b4f64c37b4cbc4844176e9639444d4e8941.zip	132,672,645
		6.0 beta 9	17R5575a		2cdfc87f53355712c95fbf63a95cbc79348561dc.zip	1,443,967,195
	17R575	—			2cdfc87f53355712c95fbf63a95cbc79348561dc.zip	1,443,967,195
		4.0	15R607		f50fd09ae17fd751fbb0481092364f8c9ee186c5.zip	1,157,498,290
		4.1	15R846		4d957c15ac59252214a21a564c97e2d90d88206d.zip	1,137,488,502
		4.2	15S102		d0ba0a3a1c3bafeef287196511c918175ed8ce96.zip	1,136,385,328
		4.2.2	15S542		9a053353b1d066d4eaf4594521a0c415c0016f60.zip	1,136,354,651
		4.2.3	15S600b		2874ffcc5a5062c143c9a0728d53102d4479197d.zip	1,136,361,530
		4.3	15T212		5b741fc889c3c6eb0db6d8180433a7576e0243d4.zip	1,134,075,817
		4.3.1	15T567		0e50c0d96ef8975e23f0abac7a9bb296d5221d87.zip	1,134,036,126
		4.3.2	15U70		00f04a063b2cdab88b42de8646281848dbe8bfde.zip	1,134,056,477
		5.0	16R364		ee0c5d21c9f384e41feda2a42a03a42330f0f6ab.zip	853,840,002
		5.0.1	16R381		b75b2e884f6be809790ffa7928b95e9069503d4f.zip	853,844,833
		5.1	16R591		72f0435773f6adddd91398a542a5ddecdd3072f2.zip	846,770,538
		5.1.1	16R600		8594cbb5bc252ee1977db435edae49b4ab744bdb.zip	846,772,994
		5.1.2	16S46		55da2b74fb41f298b7694203c9f4a122884e9188.zip	835,786,755
		5.1.3	16S535		59a268226e1971f7d0d17e94fc947985e8ac4772.zip	835,747,473
		5.2	16T225		9f4268e57ef127048b3953400373399def32ea82.zip	746,088,830
		5.2.1 beta	16U5079d		041a82a80e5e8950883bc615b8012fef96863c96.zip	745,750,920
		5.2.1 beta 2	16U5091b		3e0b2444bfdb2c6a50ead9e06767bc8bdb50c313.zip	745,922,048
		5.2.1 beta 3	16U5101c		61abad579cf8a4914a85aaf2e58bb4a6e603aea6.zip	745,543,339
		5.2.1 beta 4	16U5110a		189bbc184a82b413bdac0a71fdf6f8a249d83735.zip	745,488,348
		5.2.1 beta 5	16U5113a		445137520722b6c420bab808f2447f8c5a237b2d.zip	745,481,391
		5.2.1	16U113		469ea16e23400b4e643e0bf51fe7752902c69c4f.zip	745,452,509
		5.3 beta	16U5526f		64e6d118cd8ae59a322eced573d8d68c2cc1e61d.zip	745,316,857
		5.3 beta 2	16U5537b		8e409c8ff13515df30c9008aea26f860e2b2f520.zip	745,308,257
		5.3 beta 3	16U5545c		0389ed9d707f43d8b596b48c6312a1048ded068a.zip	745,219,699
		5.3 beta 4	16U5558b		0320e53be8ffbc24ad7e5fd806939abbb2348d9c.zip	745,113,150
		5.3 beta 5	16U5566a		3c364af6b2e5014ac7e1f794c6b90835ef7e1021.zip	744,951,575
		5.3 beta 6	16U5569a		2ecddd9fd6762e1724047d6f0edf02a8e78e9946.zip	744,968,009
		5.3	16U569		87745ed21df8dbc2dfe302e25feed04435e0a8ef.zip	744,957,513

Watch3,4

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
6.0	17R575^[1]	6.0 beta	17R5491t	19 September 2019	af2bbd018830978afbb3734ffde2844e4f416ac9.zip	458,115,254
		6.0 beta 2	17R5507l		7e5fcc637ec4adb7e65a1da5ad1997a5b62e82e5.zip	421,775,070
		6.0 beta 3	17R5521e		64f839cc490fa78fd11c162947a120275a99d763.zip	391,679,079
		6.0 beta 4	17R5532f		b8eee4b1a700e538e05f7c00ce9683c757f65b04.zip	289,471,766
		6.0 beta 5	17R5546f		ed60f618881b016c9ef468b99605965fc49ba59f.zip	205,991,314
		6.0 beta 6	17R5556d		5943eebdc96c53cf04d2b6474d70915385ce064f.zip	169,668,539
		6.0 beta 7	17R5566a		e3f059c7c0bf0b0c76a9df0d98b15e66d6f1f3ba.zip	134,798,841
		6.0 beta 8	17R5571a		5a653e858de89a00d556e353db8426d17f93ac49.zip	132,686,697
		6.0 beta 9	17R5575a		c3686f175b7b7e7f2e295b886c43437686127c65.zip	1,454,852,055
	17R575	—			c3686f175b7b7e7f2e295b886c43437686127c65.zip	1,454,852,055
		4.0	15R607		15821520ce84bf075a16690c59ae92c560cd6566.zip	1,160,665,882
		4.1	15R846		5bafeb23e56694941ab2486801699e6d0b1909e2.zip	1,140,781,724
		4.2	15S102		f6899ab4f76c20d8a6931ddd997ac83e228c271a.zip	1,139,600,967
		4.2.2	15S542		bc7c9305c01ae047fa85df937c13a91fe3917328.zip	1,139,568,928
		4.2.3	15S600b		3880b604ef459640ca0b0799524a1e5545adc2a8.zip	1,139,576,034
		4.3	15T212		7f798f12490e01862b50ca099dae78abb34530da.zip	1,137,074,844
		4.3.1	15T567		d74be6738d497bb6cc98bb362bc5feb17ad34413.zip	1,137,026,611
		4.3.2	15U70		15c795799cfd5642747ccc6da53f6e217431236a.zip	1,137,131,604
		5.0	16R364		8fbe6a83ca6dd6a2d34c09289f1295c2a0186571.zip	857,054,299
		5.0.1	16R381		d4886a5c451ffba92d161a953373860e1fa74688.zip	857,055,111
		5.1	16R591		e454098d63a5b87541d336c63ed94c9d843e8103.zip	849,851,063
		5.1.1	16R600		b7c8214318105b0398622c250c73d2fdb62e422a.zip	849,857,505
		5.1.2	16S46		273dd515567fbab26cac3094d1bb52216d10c6ac.zip	838,219,765
		5.1.3	16S535		2f48e8e90b165bac38ba25554e46346cd6a6636c.zip	838,199,934
		5.2	16T225		471e29440ad8906f266a970357536ced4aaae2f5.zip	748,833,450
		5.2.1 beta	16U5079d		91c53026f85d0e256a6574f203a39344db79ad70.zip	748,496,348
		5.2.1 beta 2	16U5091b		5ed38f3b84d899c529ed323af44c7e7fe15e1af5.zip	748,673,017
		5.2.1 beta 3	16U5101c		41320d9302723b9b769c9f5c1b29ef89b7ec3f66.zip	748,289,905
		5.2.1 beta 4	16U5110a		a92a01d312a8ddbbed4ba2ae69693f0742ae0759.zip	748,236,164
		5.2.1 beta 5	16U5113a		b9015a5c82f8839985b1b6f20bbf601124944367.zip	748,226,692
		5.2.1	16U113		eba9bdef667b9b90728a7c3e64418b4801fd66f5.zip	748,218,885
		5.3 beta	16U5526f		4704640aa848b15c511505a3a97d37e75677e541.zip	748,085,024
		5.3 beta 2	16U5537b		719b7b3d02bedbda6addcee485083963f0cc7e41.zip	748,068,828
		5.3 beta 3	16U5545c		3e1ecbc0e159d489805511a7b88e7455ecf47291.zip	747,966,863
		5.3 beta 4	16U5558b		fc2f0dd07e2698692e31149c9e1b921324b79f46.zip	747,873,427
		5.3 beta 5	16U5566a		11388491a5b943dbbfb4065ae9b2ed6b77df4e17.zip	747,720,772
		5.3 beta 6	16U5569a		4384a98f965fb55d0c216f0899e98d421e481044.zip	747,705,681
		5.3	16U569		0489537c1f48d7b944cae4901142a956b794fefa.zip	747,700,963

Apple Watch Series 4

Watch4,1

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
6.0	17R575^[1]	6.0 beta	17R5491t	19 September 2019	624047a460d7ad2b201a9d5e072032888f595553.zip	566,088,638
		6.0 beta 2	17R5507l		503b00cc2c18f2930ba6908f5ba0ec2aee8d0037.zip	412,060,701
		6.0 beta 3	17R5521e		2048628797daa6234080e2d91be0c5a2e6754c80.zip	387,348,616
		6.0 beta 4	17R5532f		946e5083496ea134adc069109e6204dda3c8d0c4.zip	293,047,326
		6.0 beta 5	17R5546f		d6582d7c662a578af53d5dce5fad3aa0fe62f3ec.zip	192,967,672
		6.0 beta 6	17R5556d		cae0ac250dc6c94acede79445557b80d30a5c484.zip	157,765,259
		6.0 beta 7	17R5566a		43eed1d417c5f96fec996580c4b28cc33e86db12.zip	131,279,901
		6.0 beta 8	17R5571a		8b5c7ab45e0a5f9cc747d21fd7004edb38cb0e5b.zip	129,324,356
		6.0 beta 9	17R5575a		e7ff69fd5392c8f319923cb14fde2500001d7e46.zip	1,472,267,319
	17R575	—			e7ff69fd5392c8f319923cb14fde2500001d7e46.zip	1,472,267,319
		5.0	16R364		5bb7479c652c68bd185c2f7e76c63e5054467823.zip	835,961,281
		5.0.1	16R382		425874e564df0c77722735ef11b7b48a555d8f96.zip	835,924,737
		5.1	16R591		827cdf0ff85f9f96ede1927af2521620e4c971a0.zip	828,895,170
		5.1.1	16R600		cbcba7d457aed4c74a87eb84aaf1e085567e827d.zip	828,897,773
		5.1.2	16S46		eccb0ee3bf0fbfcf957216d5796eea31c0ae6b73.zip	816,655,828
		5.1.3	16S535		738ec9d7f4c57661aa6d60d55e5df33144da095f.zip	816,648,048
		5.2	16T225		c8a956a5ce130022e36556cfc0c2c070286ef9f1.zip	720,370,624
		5.2.1 beta	16U5079d		843caa98700d8413363c0c30dd73ca7366786074.zip	719,939,662
		5.2.1 beta 2	16U5091b		971e614a02709750186a56f395e59d189c72b2a5.zip	719,809,764
		5.2.1 beta 3	16U5101c		16b2c262bd285c2cc2d8c1cd4a7dbb1cf2c3ddde.zip	719,853,120
		5.2.1 beta 4	16U5110a		9d149d8f4e83ac2194cb6d2cfaa14f9827fe11f8.zip	719,789,898
		5.2.1 beta 5	16U5113a		417585261b45e9d4c5fde96252e63670df391f16.zip	719,784,125
		5.2.1	16U113		2e58e345ff21ddc080505fb5578770ffe27c1474.zip	719,806,452
		5.3 beta	16U5526f		81b4143bb6c82a9aec5d48566f60004fc11712a3.zip	719,640,414
		5.3 beta 2	16U5537b		031a2a3b292cb49cbf600f79c9fe4f51016755af.zip	719,612,035
		5.3 beta 3	16U5545c		d92262bab1d3d03dd66ee08fc9e0d867e4d9ed90.zip	719,503,568
		5.3 beta 4	16U5558b		a3ddc6cae41326e97ff6539bfe9c5d85dafd0437.zip	719,378,650
		5.3 beta 5	16U5566a		fdd53beeea4764f547afb6f09d3b325cf0395743.zip	719,227,920
		5.3 beta 6	16U5569a		9c82b63e2c1dc36806bb3954ba813cfec11d1522.zip	719,229,313
		5.3	16U569		8049b78d9a6ac10ed1a88a9a6c35a4f0475a9777.zip	719,245,990
		5.3.1	16U600		944f1053ee5bfc85ef5d0388bc18a0116c357952.zip	719,241,089

Watch4,2

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
6.0	17R575^[1]	6.0 beta	17R5491t	19 September 2019	3c1093858a678def69a78d2fe132017cc26902fa.zip	566,594,988
		6.0 beta 2	17R5507l		76c0264711060d7d214666a4c08e6ea45c190f90.zip	412,510,719
		6.0 beta 3	17R5521e		ea95970e819951483f99ab3feb67e7b93af10fa1.zip	387,876,969
		6.0 beta 4	17R5532f		bf1d83eeb3e4bab2dd5e69d9bc1f3d4d74db5690.zip	293,274,911
		6.0 beta 5	17R5546f		bfd9088ebc88c45e115231077d946cd1036e9c34.zip	193,046,583
		6.0 beta 6	17R5556d		ea0984c0820ffa335072b72131495d019c21f226.zip	157,949,505
		6.0 beta 7	17R5566a		f5251030f3c1d9c0b452b8548fbcc5baf6afa994.zip	131,450,765
		6.0 beta 8	17R5571a		b850462bb929f74c4082ba629470734f7ca7cc4d.zip	129,519,019
		6.0 beta 9	17R5575a		1c6ad051eb20c9e171f5cd56f4a9da05e34eca5f.zip	1,444,833,684
	17R575	—			1c6ad051eb20c9e171f5cd56f4a9da05e34eca5f.zip	1,444,833,684
		5.0	16R364		5bc23d36a01b6ceb996075296a34766da1ae547e.zip	841,473,813
		5.0.1	16R382		619fd54b1f4fed06c3f3eb6335ba24d416eafbb6.zip	841,461,711
		5.1	16R591		7fe402542c8504b264deafc7184f08e20f61e0c1.zip	834,521,964
		5.1.1	16R600		eb986c8e8c2e410d5c0d648aface1bbff24c2171.zip	834,523,656
		5.1.2	16S46		5002ec7a37e9953a5959f5e364c127e54d18c943.zip	822,591,665
		5.1.3	16S535		c3a9ea1df3ceb279e5e21d068be9070214d37b44.zip	822,604,045
		5.2	16T225		a1cad7731c8d7d2a64e4ac56190fd41922fff0dc.zip	725,382,008
		5.2.1 beta	16U5079d		36432447b2d54846b99428eb6a6bc1bcba276168.zip	724,998,082
		5.2.1 beta 2	16U5091b		bab16654553ba187a210a3267769e5e9904fad76.zip	725,477,380
		5.2.1 beta 3	16U5101c		3081d8ae3d8c2810d2a6800505c0e573209639df.zip	724,997,313
		5.2.1 beta 4	16U5110a		1a1ce0b11f6ad0f8bdede807afa7e2beb1948d3d.zip	724,934,289
		5.2.1 beta 5	16U5113a		a83aba2a839f749b71073d744a4cdafde350d28e.zip	724,921,753
		5.2.1	16U113		ec671bad88b13231753c8491bfb8a4707dce1cba.zip	725,087,116
		5.3 beta	16U5526f		d7d1cb9ea1ac642f5f71cda5603a982999a97b1b.zip	724,819,864
		5.3 beta 2	16U5537b		c758d1af91aec1aafa7fb33cc8967bf6c170f926.zip	724,877,531
		5.3 beta 3	16U5545c		9bd759187e353dd32f36c6dc479d301b847d97ca.zip	724,802,677
		5.3 beta 4	16U5558b		0ea63bba5bf96d043cb5ac209e7726dc5fb9b1e1.zip	724,555,661
		5.3 beta 5	16U5566a		bbf642d3aaeec1fa463bd13ca729b5237fa0805b.zip	724,400,437
		5.3 beta 6	16U5569a		d94eb22b09e5b134c3e8a74d3c31d6b9e6a466ac.zip	724,400,905
		5.3	16U569		36bacc81262e9c409e0c5bffb877dc72c8180bad.zip	724,404,852
		5.3.1	16U600		da125b6ca01af8a2e16cdccfd888f7955bb43c8e.zip	724,400,721

Watch4,3

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
6.0	17R575^[1]	6.0 beta	17R5491t	19 September 2019	3dece55520854c82a0a538021668b5c21c1464c1.zip	588,111,017
		6.0 beta 2	17R5507l		089ec4599f09ba5a6c1a41acbb75ba878eac3add.zip	431,842,986
		6.0 beta 3	17R5521e		045dbb4c2cabe22a8a50d3645380a0c7ea2a2c68.zip	407,308,574
		6.0 beta 4	17R5532f		104b1c5947edc2218904cac021876d6b118c7be5.zip	312,456,203
		6.0 beta 5	17R5546f		b994f6b52d99a183e5cd364f8c9ee3a74c941536.zip	211,112,622
		6.0 beta 6	17R5556d		1f4b68cffee830ad71fbd5ea3ca263f74498e5c0.zip	163,925,157
		6.0 beta 7	17R5566a		dac03897f5c3af222c9753169e7d39f06f87b1b9.zip	137,859,576
		6.0 beta 8	17R5571a		93f404975c9e7191b7a679c483f5ac10715b60c4.zip	136,002,440
		6.0 beta 9	17R5575a		1bc7160ddd88e2afd8176bb5f6d9edbd501dcde9.zip	1,511,057,558
	17R575	—			1bc7160ddd88e2afd8176bb5f6d9edbd501dcde9.zip	1,511,057,558
		5.0	16R364		e227e8cf66cd0478cafb2c4f4ee63b2f6c269b81.zip	860,947,244
		5.0.1	16R382		5b3f666e3d41cf191b43c8eacb91cbc3de63c2d9.zip	860,947,807
		5.1	16R591		83e8a4a3aef36aabb5060c8307369551cc68a0e9.zip	854,246,654
		5.1.1	16R600		f9b8ae7f1dda9ca1f233c7865c9507af357bff1a.zip	854,247,559
		5.1.2	16S46		03302f4048d80542c0a96bc038977a5460915d90.zip	841,153,180
		5.1.3	16S535		5610a81314212a091f3655c82dd55fe6d577fdd7.zip	841,071,656
		5.2	16T225		8da575dc5f2fa06976bdbddd5e7f520b54376486.zip	743,921,848
		5.2.1 beta	16U5079d		170ccbf8a83ddd60c858520b448b8983069a75c2.zip	743,532,105
		5.2.1 beta 2	16U5091b		d22c7492f22a512320e63921696ab8dec858602a.zip	743,336,076
		5.2.1 beta 3	16U5101c		636be9d5ab3a3890aec40bacee50ca27969a13b3.zip	742,925,075
		5.2.1 beta 4	16U5110a		6701becba5ded2f17530de8e2b4bcaa24c258479.zip	742,857,434
		5.2.1 beta 5	16U5113a		1bcfb76b9d987a03ad6b2aaa1f35452674410d21.zip	742,857,670
		5.2.1	16U113		90fb0915db20df17dc3e189affcb0cf65db425b1.zip	742,843,214
		5.3 beta	16U5526f		fe691698b6d9b5b053971ea58978d6b3e7eb7bdf.zip	742,704,376
		5.3 beta 2	16U5537b		87e64a82b731a6b8c67735609e0614b4af41d111.zip	742,671,539
		5.3 beta 3	16U5545c		008e274a92fe10e3b0278a00815b056cc782ffa8.zip	742,591,436
		5.3 beta 4	16U5558b		e4746082fe64bbd51a6e5663c98c9327f4253f1c.zip	742,443,775
		5.3 beta 5	16U5566a		0bc6252873e528b7de966d480572470733a6ea80.zip	742,288,971
		5.3 beta 6	16U5569a		f87fb169ae3a05b7a3ce021b5b673c2889c0de97.zip	742,287,568
		5.3	16U569		be03f6853b2ae81aa75adbbb22524bcda8e5730f.zip	742,288,522
		5.3.1	16U600		66158ed93eff27624b38741754517634bf5c4503.zip	742,285,275

Watch4,4

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
6.0	17R575^[1]	6.0 beta	17R5491t	19 September 2019	5f41b926616deb3ad5b8ef6f23a2c7f1a191bb13.zip	588,627,181
		6.0 beta 2	17R5507l		e9baa605d5f0a19d17d8cbdf912326cab739a703.zip	432,283,314
		6.0 beta 3	17R5521e		7c555b00f7a1fd7f6c2821cf00ce6773df72154b.zip	407,837,199
		6.0 beta 4	17R5532f		4e42ae6de0b813d1e7e05cefd62ecb4b6bc7e74d.zip	312,682,368
		6.0 beta 5	17R5546f		a08f912ce2fbe73287ac38f661a480fbd896740a.zip	211,175,875
		6.0 beta 6	17R5556d		eb4277c242cf40264db6d05588a2377a0ece0e08.zip	164,102,681
		6.0 beta 7	17R5566a		0fbf681a2a194a3656be44b80c5bb033454135a3.zip	138,073,350
		6.0 beta 8	17R5571a		3fa43b910c398890d8db0c693f36804b1bffd4b7.zip	136,185,805
		6.0 beta 9	17R5575a		eb266920f5a6849ce2111de29baa70109f4239e5.zip	1,482,106,371
	17R575	—			eb266920f5a6849ce2111de29baa70109f4239e5.zip	1,482,106,371
		5.0	16R364		545241dff7129895959c1890621e31d30a4d14e2.zip	866,314,855
		5.0.1	16R382		6ee0854de14f2cad0b7cd016082c5f3648803779.zip	866,265,297
		5.1	16R591		c8ca3cfe0238b97ee43e5609a766179ca8ad124a.zip	859,539,282
		5.1.1	16R600		e026cdc0f1a560b494986bdaae431418fafbe9a7.zip	859,538,972
		5.1.2	16S46		2a3ca43f3605f56f0543236d6a54f106fa888bdd.zip	846,402,862
		5.1.3	16S535		7c326b2554a35e84eacd3586d8487b912f3853f5.zip	846,386,572
		5.2	16T225		3baeceae6c72efa9f0779cd1321b45824317cc5c.zip	749,353,709
		5.2.1 beta	16U5079d		cdfc5e26afebcb1817a9388f4826e3e4b9a8af8e.zip	749,180,996
		5.2.1 beta 2	16U5091b		350451dc3cafc40611d5b2b515196591509f67c8.zip	749,369,891
		5.2.1 beta 3	16U5101c		ba852df6294ae887adc2bf52d49f79d428005c58.zip	748,808,375
		5.2.1 beta 4	16U5110a		032a2d78ea10e4498396eb77b8eb888867ccd16f.zip	748,745,111
		5.2.1 beta 5	16U5113a		eae747fee422709f5fa91a4580a62e50d7082cba.zip	748,749,887
		5.2.1	16U113		6ce5864853ce0573e3fd97d8cc67bfb6d4088e76.zip	748,297,255
		5.3 beta	16U5526f		cfcadbad964aeccbab99b70594b8862728a4381d.zip	748,620,252
		5.3 beta 2	16U5537b		cfc816c01375c078ef4b61538b017c9fc07213a1.zip	748,114,344
		5.3 beta 3	16U5545c		fbedf9b67fe8f08647f848e8f97f13ff4ce024d4.zip	748,013,347
		5.3 beta 4	16U5558b		ce4d6344f008f3296acc5326a774d0cc1012ced8.zip	748,383,193
		5.3 beta 5	16U5566a		08838518bb16252485ee44e7fa6fab0df5b960d4.zip	748,202,407
		5.3 beta 6	16U5569a		1ef30d47005869ee0b74fba4eba72a9b541bc2b0.zip	748,202,351
		5.3	16U569		7799d9155304392f3b3fc6da9694320b358954bf.zip	748,221,908
		5.3.1	16U600		022bc2b63e64d5b1686acec398cf3fde8682548a.zip	748,201,408

Apple Watch Series 5

Watch5,1

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
6.0	17R575	—		19 September 2019	9c48c777b757b186e6f81745c100b129500995db.zip	1,473,286,817

Watch5,2

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
6.0	17R575	—		19 September 2019	ceafa437ced2561493d5e2e44c0a9e89dfec62ea.zip	1,445,954,565

Watch5,3

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
6.0	17R575	—		19 September 2019	c696d4ebfbcdd365d3e79fcdfe2aab6ba0ab2f6c.zip	1,511,995,651

Watch5,4

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
6.0	17R575	—		19 September 2019	82f6849cbcd0d60f2789d6bdc0a291433d79f187.zip	1,483,140,063

Notes

^ ^a ^b ^c ^d ^e ^f ^g ^h Apple inflated the build number in its mesu.apple.com listing, presumably to make the device recognize the update. (e.g. 17R575 was listed as 17R6575.) The listings on this page use the build number displayed on the device.

[inflated-1] ^ ^a ^b ^c ^d ^e ^f ^g ^h Apple inflated the build number in its mesu.apple.com listing, presumably to make the device recognize the update. (e.g. 17R575 was listed as 17R6575.) The listings on this page use the build number displayed on the device.

[1]