OTA Updates/Apple Watch/4.0

Apple Watch (1st generation)

Watch1,1

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
4.0	15R372	—		19 September 2017	d9b8cb294cd11eb5dfd104b0601d305bb095cea1.zip	1,134,430,047
		8.2	12S507		37e7c12ac3168d1bbeb4b89d45bcd6a33b40d7a5.zip	1,011,388,972
		8.2.1	12S632		a8f18766aeabd0dce19446cfec3c67a457e87c55.zip	1,004,950,092
		2.0	13S344		1bedf0f0ba8d499865846215cccda78f244f915e.zip	805,647,208
		2.0.1	13S428		428ecf01450caf42bba7ac2313f98b244b512521.zip	805,680,971
		2.1	13S661		4d1e209f956f9f85d76c383ae09ab544b09c8ba6.zip	805,676,369
		2.2	13V144		f6ca9eb2f6d9b5d001343c44860be1fb60b679b5.zip	801,554,874
		2.2.1	13V420		ac495f4c9321de2035fa06fca09aadf10d2a5e34.zip	801,488,648
		2.2.2	13V604		362f25f37ea879d685bb97e12e460081e21a923c.zip	801,496,384
		3.0	14S326		eb18d002c77247da152df798c6bd42dbed93e51d.zip	596,892,299
		3.1	14S471		3e9ed555f282260a7da93fe1d4869e33b890c90a.zip	596,657,451
		3.1	14S500		cfb45c673db618a1b3e7c2a370c545a2f6dde374.zip	596,657,625
		3.1.1	14S883		c1d8837ef7ed8d92604016a61b13268f942db64e.zip	591,554,351
		3.1.3	14S960		39986398b05b3d02243007c963ee465f101be80d.zip	591,581,585
		3.2	14V249		a638d6ed68da60d0d6bbf2db865b6cc710fa7fbb.zip	549,749,109
		3.2.2	14V485		2b13fed71295a88515c57723c052159e0052bc84.zip	549,542,632
		3.2.3 beta	14V5726a		2561d323aa2deddb23c73c272467be65426a13a9.zip	549,923,545
		3.2.3 beta 2	14V5734a		0e09778369c695c5524579e5a08fcd2df1c9d38d.zip	549,785,606
		3.2.3 beta 3	14V5744a		20929ee1ea6adff4caeaaed0f83cfe7bc4eac581.zip	549,790,068
		3.2.3 beta 4	14V5751a		bde4bc3fc3ec559b97efd3ac936de1ea156c7211.zip	549,858,321
		3.2.3	14V753		e610e01160f582685b19a4e6474c384ddb17852b.zip	549,379,121
	15R372^[1]	4.0 beta	15R5281f		fdebffea28ce7edd2d45c91eb04d14b733a15f53.zip	311,666,326
		4.0 beta 2	15R5307f		ca958fc8b3e68377580ddbed5929b5395d7cea2c.zip	262,258,608
		4.0 beta 3	15R5321h		835ee71cb9fdd9e614842e8cf5b3f8c8169a6e3a.zip	209,710,149
		4.0 beta 4	15R5331g		a52ad6060a76f86ad462aff468b4e9c0fe228337.zip	162,433,306
		4.0 beta 5	15R5345g		9a6fa7631b31b1d4f0b26676d7439b84bd6b2a6b.zip	110,423,924
		4.0 beta 6	15R5357b		bc9ee3d9873c92cdf6e406b1abe41d76cb813589.zip	79,024,816
		4.0 beta 7	15R5365a		325b02e38ae564a2e3b2a5e3c0e5f7ae347aa2a1.zip	75,908,631
		4.0 beta 8	15R5371a		c6ec84fd48bcfcd90119714e78ca835bf306b42b.zip	75,038,974

Watch1,2

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
4.0	15R372	—		19 September 2017	4b2a10e3de637c553f982604194988c90213478c.zip	1,148,511,108
		8.2	12S507		43283321bfe936419101caafe3b0a30505a0223b.zip	1,023,728,425
		8.2.1	12S632		e0e56b873eb7eae1e4d4d3834886943181abb1c1.zip	1,010,800,006
		2.0	13S344		58f1b5620705bc75db481795ad73b8450f3accd7.zip	819,885,139
		2.0.1	13S428		1db63c91288814c656bee92af972e04736e9536e.zip	820,047,091
		2.1	13S661		5f0a93db749be9e8a885210070233a58699093bb.zip	819,739,725
		2.2	13V144		a72fb657bfe89c97542be653e3ec4c26fe5c3b32.zip	816,435,486
		2.2.1	13V420		fdac77a9da10f76760e5dcebc57d002c93c01cb3.zip	816,245,474
		2.2.2	13V604		67ca0d1637995091d0a44df64ba1ad5c7cf0d0bb.zip	816,236,142
		3.0	14S326		bafdf8e78e436e9d40322d8fa35aef067379a79a.zip	611,955,322
		3.1	14S471		daeb871827171d1eabe7ea0e8a871aefcd4f9eba.zip	610,279,404
		3.1	14S500		9e517482748731e6e6f818b41522e87f6837a1f3.zip	610,279,218
		3.1.1	14S883		903dab9bbedca4d5355fccb17ef48b520ac7f4c9.zip	608,778,813
		3.1.3	14S960		687d4b7df96a1445712fddde0609eb828ef1aa8a.zip	608,800,261
		3.2	14V249		f7ddfe0821eb499783a428cce3bcc11a8e103d3c.zip	564,037,759
		3.2.2	14V485		7af6d6325ba481c240daad34a5b5b8439eb8fe03.zip	563,837,749
		3.2.3 beta	14V5726a		7484fbc6e31cc49c76d8e630418013b8dc80512e.zip	564,220,133
		3.2.3 beta 2	14V5734a		5fec5f6620f7bc82075aa3f2c56860f06f23910a.zip	564,082,954
		3.2.3 beta 3	14V5744a		7177b604a35bf6b39ff574c79ddb53a65a008706.zip	564,086,006
		3.2.3 beta 4	14V5751a		ec0194da8add7cdcc2f009bbf68a4c378b863096.zip	564,153,413
		3.2.3	14V753		b7f5c8f429c4ab2f0e067ef122ab959045fdc7ac.zip	563,675,427
	15R372^[1]	4.0 beta	15R5281f		acb1c98550090ad73bd158f52e464102870b9423.zip	311,920,087
		4.0 beta 2	15R5307f		80b13a7345cc40035db421330f881bec22ded1f3.zip	262,472,632
		4.0 beta 3	15R5321h		16220b13e142060db465982c1471cef466d7924a.zip	209,899,631
		4.0 beta 4	15R5331g		88fd57bba9ff4d232fecfbe3b5ac07a77f297839.zip	162,592,749
		4.0 beta 5	15R5345g		f8cf33dadab23a333fe01a84b91d101ba8ef37d4.zip	110,496,550
		4.0 beta 6	15R5357b		2ba18af2f82566ecd33e0bbd9585481940d42bde.zip	79,089,001
		4.0 beta 7	15R5365a		97eb8f04eb717d6fbffacf04b1f96224af896a0e.zip	75,945,235
		4.0 beta 8	15R5371a		d856790f4b225ca95cf24f2a4dcf74ee1e28b627.zip	75,069,260

Apple Watch Series 1

Watch2,6

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
4.0	15R372	—		19 September 2017	53abaea8f191fc294222dd8c264138b5c7295bf6.zip	1,150,691,843
		3.0	14S326		621a59c2e1e3a4b4eb8aef0503960d38103edd1e.zip	612,395,972
		3.1	14S471		78821f6213ea2cd5cfcb49dfc99c586ea66d8b45.zip	611,026,968
		3.1	14S500		3aacf704f6a75be9945dad19b76975e00c1ac65d.zip	611,026,873
		3.1.1	14S883		2a3d4efc9559fc3b9ba5ba5701b20d8441ec7525.zip	612,934,977
		3.1.3	14S960		d27dae1ad2ef4cabdfd5ab38794f6d54c5da2b66.zip	612,938,880
		3.2	14V249		dfd31e9b7aa5f10365003be591477abe226269b7.zip	565,269,920
		3.2.2	14V485		430f0a6a76a1340760c89e4a0bf24c0a4648365b.zip	564,962,792
		3.2.3 beta	14V5726a		74d90d33ec521bf09b55922faa98b83d34607652.zip	565,335,650
		3.2.3 beta 2	14V5734a		5fb1a9932fb963eeead7d7ed2e70cb7587c3b676.zip	565,224,686
		3.2.3 beta 3	14V5744a		712a40f1ac1529df727800d876c3f823b2e0a07a.zip	565,321,212
		3.2.3 beta 4	14V5751a		d5f84882a7d8c919e2e23ac558cdb87e5376f8ce.zip	565,306,300
		3.2.3	14V753		6c47e71f6a9da005848fdc9e24d56c144bb1259e.zip	564,819,605
	15R372^[1]	4.0 beta	15R5281f		bbb115ab461420bd0285aaf3f7b1141f08ea04a4.zip	326,719,508
		4.0 beta 2	15R5307f		97266b770fa77fb720e68880f295131d54f79a71.zip	282,304,950
		4.0 beta 3	15R5321h		730e2d511690916eeb2bd6cacb90637d558d356c.zip	229,048,329
		4.0 beta 4	15R5331g		a837fc79f63d3ce4afce1386f7584c734f151fd9.zip	179,879,173
		4.0 beta 5	15R5345g		aac4823ca93674bdd332d62fcc88178ac3136c82.zip	127,759,202
		4.0 beta 6	15R5357b		956513e62b2de9d541e0f01a39094d469ad630f3.zip	96,700,254
		4.0 beta 7	15R5365a		54f9511218c63faf98c371661a6e81327545a923.zip	93,414,611
		4.0 beta 8	15R5371a		1d20caaa286319e779394f527812378f90ec605b.zip	92,451,053

Watch2,7

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
4.0	15R372	—		19 September 2017	894b23d8aac91dce6945ff5aa53975a58a2a137c.zip	1,165,070,732
		3.0	14S326		4304c0babda84579d14d6f6b453d007712bd4090.zip	626,887,565
		3.1	14S471		599c861a4fa1cd18f50cc9b18f375521a4ee16cb.zip	625,543,519
		3.1	14S500		1bb26e7caaecba24ae9a2d77f1c278af0e995bd3.zip	625,543,593
		3.1.1	14S883		0b23d784c9121df6a1623a39471900cb436fe8ab.zip	627,231,541
		3.1.3	14S960		f36337628ea4ad66e5122b563fe4601bc759b6e8.zip	627,237,763
		3.2	14V249		fecd87e326ee10ce5fc7bb8bd7ec77f120e1f439.zip	582,682,178
		3.2.2	14V485		621193122aead5ca5a0f1e244d59414544cbabd5.zip	582,364,170
		3.2.3 beta	14V5726a		55c7944bb019fa3da1921241ec33b57236e3ebdc.zip	582,750,189
		3.2.3 beta 2	14V5734a		7eaf30eb73f28223d010578368dbc63a85402bf8.zip	582,638,066
		3.2.3 beta 3	14V5744a		5034d989f05ec81248bf80b63068f56cb0633df4.zip	582,734,400
		3.2.3 beta 4	14V5751a		f4e6d1fafb9328d4d825baab1e66b53151f56540.zip	582,721,104
		3.2.3	14V753		4d597e6736d641c8be485cf0627e615b4932b810.zip	582,221,081
	15R372^[1]	4.0 beta	15R5281f		9a0ce7136f1fcdc1c890988bf5361c2fafcb9e67.zip	327,021,520
		4.0 beta 2	15R5307f		3a6fd22d62306164a473ed031855d076017c7bc6.zip	282,496,886
		4.0 beta 3	15R5321h		569464e0bb1941d6019cb057b30c5e33b49a74a7.zip	229,227,192
		4.0 beta 4	15R5331g		f82fa48396bab7d26c6b82e0797512262106cad6.zip	180,036,987
		4.0 beta 5	15R5345g		12138494c4502a2aa857f6b37811da751fecf913.zip	127,826,143
		4.0 beta 6	15R5357b		2a5e2e9c84b0ebfb2bfbd71c41f24e6964bec1fa.zip	96,773,790
		4.0 beta 7	15R5365a		ab59803bac9df79c1eb965e6c0371eb897b6e7d3.zip	93,435,197
		4.0 beta 8	15R5371a		b5793dcdd27542eff9dbb7873580d55fc15039e0.zip	92,460,340

Apple Watch Series 2

Watch2,3

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
4.0	15R372	—		19 September 2017	7c9d2a641203ccab8c11daba73c3446c92abd408.zip	1,151,779,433
		3.0	14S326		4d2cdd0e0271943625b9e833561471e145bc52e0.zip	613,367,286
		3.1	14S471		378d8d05de4d47e69d2a68380446b765a266cb94.zip	612,021,960
		3.1	14S500		ec9b895ab90029218fb3f04647ee81a820975c0b.zip	612,021,856
		3.1.1	14S883		050bca3076cbccb95596bd615430715d146efadb.zip	613,909,588
		3.1.3	14S960		fd4b2ad6317d7c2911e6ac0e2ccd118d9058a498.zip	613,900,336
		3.2	14V249		f0e59a579937c181ab333cd3c4c5066777e0e649.zip	566,228,564
		3.2.2	14V485		6c398ea695330485aefb997c5e7030d313cab9a5.zip	565,920,176
		3.2.3 beta	14V5726a		5bef89ff0fc02b7255669519ff1ac4e461e2f9ac.zip	566,295,375
		3.2.3 beta 2	14V5734a		70872d5fcc2b536c24e4d0db7bf2b7acd2413988.zip	566,182,913
		3.2.3 beta 3	14V5744a		5e1cc43d4f87195dbc4b07ee234184fae7622f84.zip	566,278,905
		3.2.3 beta 4	14V5751a		facecc4e444af99b2cd13df30d4fc4a706f47730.zip	566,264,588
		3.2.3	14V753		ff3787ae0c992920678d7d3775190404432a695b.zip	565,773,470
	15R372^[1]	4.0 beta	15R5281f		94879167a586103fccb6adc5a23368c65d688b5a.zip	327,614,405
		4.0 beta 2	15R5307f		0509e8c5eece33104efd374f399f77cefa03e931.zip	283,209,715
		4.0 beta 3	15R5321h		017c70d982ffe1d24d56160634e4fac3d812979f.zip	229,912,609
		4.0 beta 4	15R5331g		4409f6a62e7bea379e8b30d79d09720dfe912ae8.zip	180,778,464
		4.0 beta 5	15R5345g		e3ed6001dc79b0b2516137c7aa21abc76df76406.zip	128,664,232
		4.0 beta 6	15R5357b		316b0cbdae255ddcb104a9d32abdc7aa9dac79cd.zip	97,615,652
		4.0 beta 7	15R5365a		62a661b5be8869a77024142b1293d84aae70964f.zip	94,328,695
		4.0 beta 8	15R5371a		181caab07368f1b9bd800c9d9b5949a1637fc117.zip	93,345,242

Watch2,4

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
4.0	15R372	—		19 September 2017	1a0e3e9735f664775b34f1ef948050607e25dce0.zip	1,166,234,303
		3.0	14S326		d041ddf522973cc0e33c61de748425b2e6b28f0c.zip	627,860,073
		3.1	14S471		354c7a3bca76ad2f04298b11fadb276b26e1beae.zip	626,525,458
		3.1	14S500		71f689a199e681d7493679ab657ed5fb839981e7.zip	626,525,055
		3.1.1	14S883		9866cacb562d644f9313348c76a0250eb7602737.zip	628,229,749
		3.1.3	14S960		60262a2d119bd4dfd76325e30e5d45de33567974.zip	628,237,212
		3.2	14V249		6d889aacb9d169776db6b53ee6555234d4ee3ba5.zip	583,619,638
		3.2.2	14V485		f1548e5db5d5ac73687e10917ce06480b0c46449.zip	583,302,897
		3.2.3 beta	14V5726a		c68289042f26838493e31cf4dd8a90b7c2ec2440.zip	583,679,099
		3.2.3 beta 2	14V5734a		edea2da4eccdfb9ae26159365962e3ff714fe464.zip	583,566,947
		3.2.3 beta 3	14V5744a		c371c4c66f61b1ab7ace8e0301d1d0a9446cf268.zip	583,663,854
		3.2.3 beta 4	14V5751a		67a3ccb564ac516dea54b41e2fdf90f4a5faaadc.zip	583,649,841
		3.2.3	14V753		625a87552c7f81d6a108f4da57895057e024b4b7.zip	583,156,687
	15R372^[1]	4.0 beta	15R5281f		0949fa5cf020b478fae1963ec48f39ea5bc451fb.zip	327,921,642
		4.0 beta 2	15R5307f		bd2abab296c2c34aaf4b2cb1ef6c95f5b75d6230.zip	283,427,889
		4.0 beta 3	15R5321h		62cb650e03608f2b525c22fdc858e3b81fef4900.zip	230,134,258
		4.0 beta 4	15R5331g		c2baccec8c3e6edd819e43e149880bf848e390f1.zip	180,949,156
		4.0 beta 5	15R5345g		a76623a0e123d714b782128e451eda43bf3b388c.zip	128,737,429
		4.0 beta 6	15R5357b		eb27dfc85fa6e224b0cffa94e29237b6222bd8bb.zip	97,688,220
		4.0 beta 7	15R5365a		3aef146fa694976396a522347476b3f579721807.zip	94,335,776
		4.0 beta 8	15R5371a		8a5b3de55bdf187c05d4542ac0928bdea5c30e20.zip	93,381,110

Notes

^ ^a ^b ^c ^d ^e ^f Apple inflated the build number in its mesu.apple.com listing, presumably to make the device recognize the update. (e.g. 15R372 was listed as 15R5372.) The listings on this page use the build number displayed on the device.

[inflated-1] ^ ^a ^b ^c ^d ^e ^f Apple inflated the build number in its mesu.apple.com listing, presumably to make the device recognize the update. (e.g. 15R372 was listed as 15R5372.) The listings on this page use the build number displayed on the device.

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