OTA Updates/Apple Watch/4.1

Apple Watch (1st generation)

Watch1,1

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
4.1	15R846^[1]	4.0 beta	15R5281f	31 October 2017	a0e3aef65a6192fb4a102646e634236d7ebf3dca.zip	328,198,110
		4.0 beta 2	15R5307f		ee1050e9e2543c6a04338b835f82bb1ea57634b5.zip	278,800,355
		4.0 beta 3	15R5321h		8c4cf8a59de26d7c124a250c7a92537933d368dc.zip	233,709,688
		4.0 beta 4	15R5331g		63b70eefa3d3b678b9869f0744604a8ff95dba53.zip	189,352,375
		4.0 beta 5	15R5345g		2aa3b2a910a61dc60f2333b0903c2d89c3ac28dd.zip	146,301,931
		4.0 beta 6	15R5357b		76140a3cb2070e3b1cbbff46bfce9f79f5b25715.zip	127,827,777
		4.0 beta 7	15R5365a		c5499708546636e5944ca099537bd4ca6c8d7fd7.zip	127,158,763
		4.0 beta 8	15R5371a		e0ea99aa3df7079e15625761fa3669e9b083c4d7.zip	127,012,863
		4.1 beta	15R5823c		e942c1fc9c76134f10e40286aa6be7ba2eb925d2.zip	81,693,682
		4.1 beta 2	15R5835d		826a5a5474f202970b2e6e80cc01760d8c330d22.zip	48,429,470
		4.1 beta 3	15R5843a		97c9b9976b8367d700e12d7ab14fc3cd4c1b222c.zip	42,901,087
	15R846	—			77bbcfd1358c1d9798253ae547a639b341fa3bd2.zip	1,141,175,454
		8.2	12S507		76caa19acfbedfd458b254ce6dcd6a7b848de7f9.zip	1,023,701,491
		8.2.1	12S632		e9dce7d6a20382130792aa9cc44ddb7ce8254c09.zip	1,013,092,686
		2.0	13S344		5ac09040b6251b5783828e46e4bc1b579b82a102.zip	810,693,742
		2.0.1	13S428		03a3afb149a4fd8d5da140703b8837fcf49c157d.zip	810,676,785
		2.1	13S661		0c33402f99c7cd4a316ad469c8eb099c0f51bbfa.zip	812,208,252
		2.2	13V144		b7e7fe02fa71e71fe732d017ae7a5d23df7b49e9.zip	809,424,861
		2.2.1	13V420		ed643ffc9f898cefd3fceaaf88eb1129b2e76e68.zip	809,565,513
		2.2.2	13V604		7702454372002b1963bd7bb20637bc595dd7a260.zip	809,433,293
		3.0	14S326		aa35b0b2cbda1515f32b1bcbeeccfe03525ed541.zip	604,907,636
		3.1	14S471		7fb3b5e5fe2a74c59bafd3b2fcf722eb075df956.zip	603,446,455
		3.1	14S500		8e993cd7311e4a6e55e12ef058b4f97a4910d328.zip	603,446,131
		3.1.1	14S883		80f5e3cefb45df5d8646faf533629a572be08612.zip	605,181,313
		3.1.3	14S960		78b50328bcf36fcdc236eb9a4b9ffa87afd6d851.zip	605,177,891
		3.2	14V249		e715b65d6472321f30bd1e88ae2ad01faf374fe7.zip	560,000,716
		3.2.2	14V485		6a3e9e671e3dfa4af3c39b70e823a946bf9f8cd8.zip	559,807,522
		3.2.3 beta 2	14V5734a		4f241733656ec70ab44395b688fe71f54e04e3d1.zip	560,071,616
		3.2.3 beta 3	14V5744a		61bffe51e6c28d3b2cec4283d04d42a37b27f5dd.zip	560,087,419
		3.2.3 beta 4	14V5751a		fcc9dc8fcf44075471e93fffbb1c5d32aaa1424d.zip	560,111,650
		3.2.3	14V753		a73d80a16c5dd0a7bd1f48b56f3d849564dab577.zip	559,814,703
		4.0	15R372		b3327773d96fce29637084d5afb53c4e9ee62999.zip	116,008,107

Watch1,2

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
4.1	15R846^[1]	4.0 beta	15R5281f	31 October 2017	099b748d5283560bcea5ab238997c4607af2fa3c.zip	328,338,472
		4.0 beta 2	15R5307f		fff68fba256980bf0c3b74f3c5be42d9c29a0ba4.zip	278,950,503
		4.0 beta 3	15R5321h		630099dd4280628333aec4a0dcf57b0867b3b3f7.zip	233,894,682
		4.0 beta 4	15R5331g		6d39b9a7b3559cb94e5a00f26019aeacd484a1b1.zip	189,521,385
		4.0 beta 5	15R5345g		e8ab3f98c1cb43739c7a89c8b154712567920692.zip	146,355,631
		4.0 beta 6	15R5357b		102b440f1981f3fbae89f09ded1265ce2375de90.zip	127,904,484
		4.0 beta 7	15R5365a		c2dafa8783e5e7e6740fd20a35879f4e72bb82b4.zip	127,174,405
		4.0 beta 8	15R5371a		e779f425ea74d69df52125f29cca226daeb539b4.zip	127,047,336
		4.1 beta	15R5823c		f12dd4dc4cff725a923c8568ece73815073f4979.zip	81,713,142
		4.1 beta 2	15R5835d		a78a0a18ec28ab03d16e27c9614b5737ad3eafd7.zip	48,445,139
		4.1 beta 3	15R5843a		b036f57c950cf65df64b933e4b689e893326e7ef.zip	42,915,451
	15R846	—			b9e191b227fb413b7f09f02efcf10536fa03747d.zip	1,155,926,825
		8.2	12S507		f9cc6a1fc85c1a7c10802f321f130e321bfd419a.zip	1,032,715,797
		8.2.1	12S632		5a0132b94902c6dc6555361eb42539069ff6d260.zip	1,024,945,246
		2.0	13S344		e215ec5c70b090485ac9f20851d015721167af76.zip	826,838,166
		2.0.1	13S428		a75265af5f3d38fbd73f0cb705d14d7028b430cf.zip	826,772,922
		2.1	13S661		e5eecae5032ec5d52904c49d8c80976f77cdf01a.zip	827,461,073
		2.2	13V144		1dcbef69c85db0aad5aa03ce1f4fe111e0015893.zip	823,614,222
		2.2.1	13V420		47482e97ada5db5ae164397639dead1b8d9d7f12.zip	823,485,505
		2.2.2	13V604		dd2e5428402c7cac5125a86bb702006b62adb31a.zip	823,621,512
		3.0	14S326		0019a1d9f9f642a0c1b3c8125ff942316d24c43b.zip	619,028,335
		3.1	14S471		600fde2650a231232a660f937624b7d8d312fd1b.zip	617,780,908
		3.1	14S500		24b52dbc03321ddb6779fd29e9814548766ac252.zip	617,781,072
		3.1.1	14S883		2ad9f2a5c96988e8b4de292c82572665149a9768.zip	620,446,455
		3.1.3	14S960		d29912438edf3878f0ae3843faaa46b590acc92b.zip	620,442,565
		3.2	14V249		4d39a736565e65aa0225cd511f1f6c2d904d5e9d.zip	574,955,949
		3.2.2	14V485		c0128f0c2c11adffc15b48a95916157480e59da2.zip	574,753,043
		3.2.3 beta 2	14V5734a		e5080658574290bf86db466f39cbcdc7717ef2ab.zip	575,018,030
		3.2.3 beta 3	14V5744a		cb93ef3ad4eeda8e1e74915a6178fe91445de4a7.zip	575,034,712
		3.2.3 beta 4	14V5751a		56e5cde4fd6850e14371ec260a29e10095db5337.zip	575,058,827
		3.2.3	14V753		0d1191ca5e7187128f879b6cde0838a75ba0a40d.zip	574,760,696
		4.0	15R372		be8e3e46de8221366e0d6427d1d6ee0e5f159c3c.zip	116,044,182

Apple Watch Series 1

Watch2,6

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
4.1	15R846^[1]	4.0 beta	15R5281f	31 October 2017	e096a350d11e713208ac3080df739d3a0c57bc1e.zip	342,839,299
		4.0 beta 2	15R5307f		3b9f84f652d3a6f86a5ef832a2668ab5ee7ed04e.zip	298,411,841
		4.0 beta 3	15R5321h		9409d700ea23105112bfe5af20643cfc0f745419.zip	252,699,097
		4.0 beta 4	15R5331g		67c7b0d12c27da2ce3544817a1d61bbc83665054.zip	206,401,316
		4.0 beta 5	15R5345g		65f0e5e8ac899fab8b14ddd4bcc053cb93711b33.zip	163,196,184
		4.0 beta 6	15R5357b		783451e025d76af2e827dacbdd23c2b8fac975b8.zip	144,541,554
		4.0 beta 7	15R5365a		8a14b066a906e43c0a51cb9a3740a7681dafd288.zip	143,705,767
		4.0 beta 8	15R5371a		80af0c52465aa7a4ef6bad7493cf9dff6d5f9edd.zip	143,484,248
		4.1 beta	15R5823c		0cd26d27eef0bc47ba6a444292bc450e47cd2fda.zip	87,692,310
		4.1 beta 2	15R5835d		f3c353eb166fb84ddc3dae3b06361e3229d19014.zip	55,069,100
		4.1 beta 3	15R5843a		7847b52cca1136a72e13b03b790940af182ba08f.zip	49,173,079
	15R846	—			94ed661322997644279a2a118c00d2f0c353eca0.zip	1,156,538,296
		3.0	14S326		7098901bbb924934fda453aa328b70fd156f508b.zip	622,687,355
		3.1	14S471		6a00d6bb499bc155d9e5f570f88125aba33c06d0.zip	621,337,443
		3.1	14S500		282e3eddacd6b669827311b686740825094b4bc8.zip	621,337,159
		3.1.1	14S883		38bf8725cf2811bb8d8b06f830af704144bdf8b0.zip	622,971,810
		3.1.3	14S960		c0ff67c3889ea12bc9fb179748521091c08ba6f3.zip	622,935,660
		3.2	14V249		cd51d74220d41c83732e874aa05a077b2733e422.zip	578,986,582
		3.2.2	14V485		518dc3b32cd0d98776e622e53aef31cf4319bbce.zip	578,992,021
		3.2.3 beta 2	14V5734a		4d33604a75c88e6efcf96b421f6db6b082923be3.zip	579,352,401
		3.2.3 beta 3	14V5744a		63a88928f664c45f6456bc7747de85e6b7b12def.zip	579,295,157
		3.2.3 beta 4	14V5751a		c77a815bfda92499f4cc866a69d0c5bb5627755b.zip	579,288,158
		3.2.3	14V753		7ec52ec630ec4d8592a1603115c811d14ee0a80b.zip	578,931,603
		4.0	15R372		5a1e645fba483c2eb696c73478c2212f7fa8d6d5.zip	121,819,478

Watch2,7

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
4.1	15R846^[1]	4.0 beta	15R5281f	31 October 2017	d1265a6ec878fd16e26b4b9705544501bd051a82.zip	343,088,543
		4.0 beta 2	15R5307f		9eb1251ed2973bcb4e75361677b5b5a338e5ecbe.zip	298,628,643
		4.0 beta 3	15R5321h		88336e042bb65b508029e1f6392f4e29e84d8e9d.zip	252,879,030
		4.0 beta 4	15R5331g		01ef4bfae6baedc691b509ca275ec64a6e40f38f.zip	206,576,972
		4.0 beta 5	15R5345g		88f3e5497099e88790b0a8660b326ff735871e6e.zip	163,266,471
		4.0 beta 6	15R5357b		9e2d66be5a535c7649b0be64ac54a4371a460d1e.zip	144,620,399
		4.0 beta 7	15R5365a		3aa994b443bbbf753f49fe94fe74446621bcd65f.zip	143,737,966
		4.0 beta 8	15R5371a		49902f51e55934bb9fe47490d26643255d0c52b2.zip	143,489,080
		4.1 beta	15R5823c		161fd21af2116028cd3dade692de0050c451c599.zip	87,697,132
		4.1 beta 2	15R5835d		06469951c8023bc257a393b5ca78921cf0d2c5b1.zip	55,087,428
		4.1 beta 3	15R5843a		678cbec04c4b58e51a31f433006b3ab3848a5274.zip	49,191,114
	15R846	—			ea7cec568295401c0f4e13d844121fe0ccdc18b1.zip	1,171,653,037
		3.0	14S326		a938307d11f6b52b77f6fc167db091f4225ace95.zip	636,640,357
		3.1	14S471		b3a076dde3ff3d4a53b75accb7bac4a2940998ce.zip	634,761,787
		3.1	14S500		f18e9ebb06b24a760821be0ac94fe92c3e7ed5d6.zip	634,761,934
		3.1.1	14S883		e11f2743654ceda407d9a9447f949148738866ae.zip	638,559,314
		3.1.3	14S960		195fc7a522fa5d3443a9b82b0769f198f7be38ed.zip	638,524,214
		3.2	14V249		14f177248ab0e09cf97c28f6ef61e67210067a3c.zip	593,139,588
		3.2.2	14V485		882d63d586b42598fcb48d5975d4d0c6742c25d0.zip	593,135,507
		3.2.3 beta 2	14V5734a		9493c02cdfac727176abc4fe505657b9b5a7a5fd.zip	593,502,986
		3.2.3 beta 3	14V5744a		ba08294e5c003840ee0413cb08e564ef8084b3f1.zip	593,441,469
		3.2.3 beta 4	14V5751a		1eda213d57cdd8867e9e29d626eb24b26112eb45.zip	593,439,488
		3.2.3	14V753		a7658ea09a88b19a18f3cf8d5af3f0d879d53615.zip	593,074,530
		4.0	15R372		1d0eec5ed78002af0e9b72b5b50904c3a44cc682.zip	121,831,038

Apple Watch Series 2

Watch2,3

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
4.1	15R846^[1]	4.0 beta	15R5281f	31 October 2017	24cb6a44f9a9a7f03ea3754e659dadc9748ffe8a.zip	343,998,084
		4.0 beta 2	15R5307f		76f29938b095fa2680829bd8dbf927ac8b8e4ae1.zip	299,551,106
		4.0 beta 3	15R5321h		491839cc4e847ead27076a2aacae17e685119cbf.zip	253,838,008
		4.0 beta 4	15R5331g		fb3d7d7ddc4d8ea6f40c2720d0e13979cc92104c.zip	207,554,643
		4.0 beta 5	15R5345g		406da43becbaa09946bd7c5ae43f1ec59abd32d4.zip	164,352,110
		4.0 beta 6	15R5357b		019feaa26772464db9ee3cf9c950d6beaed858e9.zip	145,685,191
		4.0 beta 7	15R5365a		b4bae7760f5121342466ec4217fcdd87ddf0b77a.zip	144,857,853
		4.0 beta 8	15R5371a		cdb23d494f72878bcab481e54b88e3fe312f14c7.zip	144,647,604
		4.1 beta	15R5823c		643c50f01ea98760ff9f35866ee0b381d2f0be5d.zip	88,593,730
		4.1 beta 2	15R5835d		3c80cb38ae196b872277d7a3533ecbec0b525689.zip	55,982,181
		4.1 beta 3	15R5843a		59a44433f857f8daab2ec7fb1fe5de0e1a48c69f.zip	50,085,505
	15R846	—			b5e791ee7a0d64bb42226032beb3b2e569422067.zip	1,157,861,426
		3.0	14S326		1876adcc4bcb7213b851226eced786728052c10c.zip	623,887,590
		3.1	14S471		62d7fdc797f7a1c300c2a2659c8540f667885878.zip	622,502,537
		3.1	14S500		b9c1f998f0bacf04125b3a1bdf2d763be579cfe7.zip	622,502,546
		3.1.1	14S883		5051baf23f712a9cc87e773cccf386ced1806937.zip	624,197,955
		3.1.3	14S960		a8115a1478c79a0c8c0e6653b40ee61e55b63774.zip	624,160,086
		3.2	14V249		a5bfea95d08d27a436dbf68e5c06f1f4b20e75a5.zip	580,164,012
		3.2.2	14V485		3963fe64dc89e2a033135321c6b3c740d6242a49.zip	580,153,998
		3.2.3 beta 2	14V5734a		25dd5d9d8591b549b90c1a86e331403f17afaa64.zip	580,516,012
		3.2.3 beta 3	14V5744a		0b46b4ff063dff7821a3cdb3bb827369228cbc68.zip	580,453,661
		3.2.3 beta 4	14V5751a		af94bc8c0df01fbeb139f7ae958c3334c31ae4dc.zip	580,452,337
		3.2.3	14V753		aa6df76c4523cf05fa65b76aeddaf39786c4fab7.zip	580,092,506
		4.0	15R372		e534b72a1afe90200bf7f9138bdee272f230637b.zip	122,964,694

Watch2,4

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
4.1	15R846^[1]	4.0 beta	15R5281f	31 October 2017	1716f7066a386fb0e39fbe5bb1b47727f0d7b9b2.zip	344,239,101
		4.0 beta 2	15R5307f		9047804d39743536865927318f0211c25288707d.zip	299,772,052
		4.0 beta 3	15R5321h		49c1da98e72d35e797b0535ff9baf9082aee38fa.zip	254,030,799
		4.0 beta 4	15R5331g		b147ad4425fae195c42cc59b72a724627df6b7d1.zip	207,744,675
		4.0 beta 5	15R5345g		31ef0ade73ece03c7818d0d431f5c665e23c0641.zip	164,419,984
		4.0 beta 6	15R5357b		ce63a924f3453fed5a5c11b6270a34bb4e4c8944.zip	145,737,380
		4.0 beta 7	15R5365a		cc81a60d138b8551d4cec5e45d7b24ba03bae1cd.zip	144,884,720
		4.0 beta 8	15R5371a		556a54c5bc35c83aa3d4428ac5c179ee660bf17c.zip	144,666,220
		4.1 beta	15R5823c		fb555272acc3e3b9f7c08a9a8007e40c1f228274.zip	88,610,338
		4.1 beta 2	15R5835d		7b21a08096ef0047fc65a679f1523116f11ba74c.zip	56,001,172
		4.1 beta 3	15R5843a		869bb9ebbd5561128f2a3784a60f524592906e8f.zip	50,104,880
	15R846	—			07366c3edc47c38d35b334a456cbfbbc17af5f5c.zip	1,172,910,385
		3.0	14S326		4472b0154f2436ba4d0bdb6a6f6975a8f9298978.zip	638,481,793
		3.1	14S471		a17f17dba7c5a755aa1e31a5e1367771397ab8da.zip	636,092,328
		3.1	14S500		e5c5e441f4558bade701c31f7e9385e19c028793.zip	636,092,467
		3.1.1	14S883		0c55a72b3b9e6e353d248e386d4d7514a8fb2143.zip	639,825,560
		3.1.3	14S960		f41547cd7c28dea579549f5715b015c42ccd7f00.zip	639,791,458
		3.2	14V249		f9bbf74cd462630dc3810f8afdb8022ecb753dd1.zip	594,297,452
		3.2.2	14V485		6567e3bdd866a609c649aa25670d349aaf5f623d.zip	594,298,253
		3.2.3 beta 2	14V5734a		79d94044817ef1e04c56e382428fb3e56ed4e210.zip	594,671,294
		3.2.3 beta 3	14V5744a		5742a92602d2bbd1d4f934b71a3c80b35bf7f41c.zip	594,609,643
		3.2.3 beta 4	14V5751a		f390a155091f5b1744630eaa3432c0eeba61aca8.zip	594,607,047
		3.2.3	14V753		f669eab541cc8bac0f3f4e6e4c64004dffbfb2c3.zip	594,236,269
		4.0	15R372		7bd4bc86d9ba65931613d8b182dc710d4f692bac.zip	122,995,361

Apple Watch Series 3

Watch3,1

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
4.1	15R846^[1]	4.1 beta	15R5823c	31 October 2017	ed7a13b7153bef3e17917910f3677b17c809d220.zip	120,933,249
		4.1 beta 2	15R5835d		10224885e69bdb9ee325d1b0e52e14ad3ff451b5.zip	87,660,136
		4.1 beta 3	15R5843a		2c96fa54e5ab4a5ce3c7bf0013feb358529187fa.zip	57,626,631
	15R846	—			4d581f84985b144ef4ce290f90d6ad4db2a7b5e6.zip	1,675,223,959
		4.0	15R610		750736eb4282eef080471f4eb0aa764bcf5eb6a1.zip	153,121,060
		4.0.1	15R654		eccf7770c8cb4c6d518d0c4a586dad07e467067f.zip	152,841,901

Watch3,2

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
4.1	15R846^[1]	4.1 beta	15R5823c	31 October 2017	bbfea804ba0ed4522a034875d4d8686377906660.zip	120,952,666
		4.1 beta 2	15R5835d		a17223557e843e41dfda37f0ddcd38598403fe43.zip	87,676,751
		4.1 beta 3	15R5843a		f7c61865ec19471cd5c833726dfc6a341cb93275.zip	57,643,398
	15R846	—			b849e61e345500b30b31c79d9bf7a56159c41e93.zip	1,689,366,968
		4.0	15R610		2cc46662f12260ce4c8cb0affc72b927e3f33264.zip	153,134,970
		4.0.1	15R654		b50c27f97b6bc2539d46a3ab14b5626bc8ca82ba.zip	152,850,307

Watch3,3

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
4.1	15R846^[1]	4.1 beta	15R5823c	31 October 2017	b34624e2a0512dbe1f35e98e04f9c79459057509.zip	93,589,728
		4.1 beta 2	15R5835d		e739519988067a780820f5e5957be2b2cce7518f.zip	60,992,878
		4.1 beta 3	15R5843a		5702308ba373086a60226996743163446e1c4f46.zip	55,069,236
	15R846	—			6f4ddf62592873ff3ed8f9c5190b748ec664c54b.zip	1,631,089,743
	15R846	4.0	15R607		0b4d01e3984afc55c31bad183c587478008f0eca.zip	128,167,411

Watch3,4

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
4.1	15R846^[1]	4.1 beta	15R5823c	31 October 2017	b34624e2a0512dbe1f35e98e04f9c79459057509.zip	93,589,728
		4.1 beta 2	15R5835d		e739519988067a780820f5e5957be2b2cce7518f.zip	60,992,878
		4.1 beta 3	15R5843a		5702308ba373086a60226996743163446e1c4f46.zip	55,069,236
	15R846	—			6f4ddf62592873ff3ed8f9c5190b748ec664c54b.zip	1,631,089,743
	15R846	4.0	15R607		0b4d01e3984afc55c31bad183c587478008f0eca.zip	128,167,411

Notes

^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j 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 ^g ^h ⁱ ^j 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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