OTA Updates/Apple Watch/3.1

Apple Watch (1st generation)[edit source]

watchOS "1.0" and "1.0.1" are marketing versions; their true OS versions were 8.2 and 8.2.1, respectively. Since the OS version and marketing version now match as of watchOS 2.0, a fake OS version of 9.0 is specified for devices on watchOS 1.0 or 1.0.1 (watchOS 9.0 became reality in 2022).

Watch1,1[edit source]

Version	Build	Prerequisite Version	Prerequisite Build	Compatibility Version	Release Date	Release Type	OTA Download URL	File Size
3.1	14S471	—		7	24 October 2016	—	405a149288045fd48fd708cc01fa948509f41404.zip	979,528,558
		8.2	12S507	7		—	6aad57ceafc55e6c3d0177e203c42f4fc505bf29.zip	843,703,478
		8.2.1	12S632	7		—	f5bb1182c27803ab622189b0aa449e48a9ad14d9.zip	837,690,262
		2.0	13S344	7		—	46a76614d65e9aefe631ad6a8ab55e63da0af9d2.zip	606,860,321
		2.0.1	13S428	7		—	1fc459e529df7c353812635c558172c8b5144dad.zip	599,998,037
		2.1	13S661	7		—	1054b67bf9bc4cf254d9f745a6e24ca84ed9e32a.zip	596,848,980
		2.2	13V144	7		—	ab8008569a0a66a78281f33bc07318179ef31139.zip	591,456,423
		2.2.1	13V420	7		—	f103c9a8fff20d57b64fc983e6e2541df36f36b8.zip	591,400,510
		2.2.2 beta	13V601	7		—	127ce9dd8651f810d2732e941d0fd56366cb7fdf.zip	591,436,011
		2.2.2	13V604	7		—	6b65b317127baaa1060e589e683ef96d1c5ffab0.zip	591,422,939
		3.0	14S326	7		—	00ff7273c621c5de216563af35877c1939781f88.zip	60,002,098
		3.1 beta Pre-release	14S443	7		—	76669a6611dc16ff56f387d34a5304ccdb400c21.zip	53,538,428
		3.1 beta	14S452	7		—	0fab7847f1effc37a8caa8cd8358dca058849f4f.zip	43,102,327
		3.1 beta 2	14S464	7		—	83599f084af30d9c1d75695cbd509da58fef8fe9.zip	18,713,761
		3.1 beta 3	14S466	7		—	a705402cb0fc1b64317ed2f98e9a733e467484ce.zip	18,211,713
	14S471^[1]	3.0 beta	14S5247t	7		—	ddfc576e3f2c3e437d584a120f558bfdadf9265f.zip	335,673,884
		3.0 beta 2	14S5278d	7		—	99655c9cec31b7d498e4be9169cef8923ed61272.zip	288,499,964
		3.0 beta 3	14S5290d	7		—	efdf9a8014475b82ecca1225587c146fd53d8622.zip	246,020,666
		3.0 beta 4	14S5302d	7		—	d16fda475d84d6835e5def0bc4ad87a78be5cd49.zip	189,224,135
		3.0 beta 5	14S5315a	7		—	6e13602fb51bd3ac20c162984ff468f7146bc5b3.zip	73,539,299
		3.0 beta 6	14S5321a	7		—	3d07cac0c6336e357dafe640928ecb5ad75881a7.zip	71,148,986

Watch1,2[edit source]

Version	Build	Prerequisite Version	Prerequisite Build	Compatibility Version	Release Date	Release Type	OTA Download URL	File Size
3.1	14S471	—		7	24 October 2016	—	8d4685a4b26e71be839ad8e14439ea8c6f4f60fa.zip	979,997,242
		8.2	12S507	7		—	b8835deac611bb69ed0e004a075898e7cbf27179.zip	841,435,938
		8.2.1	12S632	7		—	1b4e054c474f67c998db1966ac6eafd34ff9e283.zip	835,429,668
		2.0	13S344	7		—	a35adba97efd315da747dd70499b83a7c1689f95.zip	606,171,309
		2.0.1	13S428	7		—	e61d525a517099ee2ab123cf1d9adba5f8bb002c.zip	601,128,824
		2.1	13S661	7		—	a4a1fd100d6364c0d48aebe594cb01baa7c2c0f9.zip	596,957,086
		2.2	13V144	7		—	5c84d89cc61011bf28242cb6070477c4300e6870.zip	591,522,487
		2.2.1	13V420	7		—	06071962a3e87a4f1cea160e21953bce5d924ff1.zip	591,475,934
		2.2.2 beta	13V601	7		—	e5783917da4b8f0878d6f119da78bab0c8360696.zip	591,510,626
		2.2.2	13V604	7		—	9c6163dd4e61ddb9acab8713af4996beb2a283f9.zip	591,487,605
		3.0	14S326	7		—	98baba7cead8a1635296e0969bd71321047d2759.zip	60,005,194
		3.1 beta Pre-release	14S443	7		—	3ccf56d61ff865107d3107d7335aee631b34fde7.zip	53,530,248
		3.1 beta	14S452	7		—	d91f55557d3ba6cab610decafaa10bc14e110c10.zip	43,112,168
		3.1 beta 2	14S464	7		—	bf70f616730b8cec5348d5e028a5947a7bd15301.zip	18,714,327
		3.1 beta 3	14S466	7		—	9b2c293289049a147f436e451b6f7ae1b24a5826.zip	18,212,621
	14S471^[1]	3.0 beta	14S5247t	7		—	2af887a46336495bd7fd959fc822e42e03045f16.zip	335,662,465
		3.0 beta 2	14S5278d	7		—	6e618c56b02bc0cc3241611caeb99741902b6b3b.zip	288,502,473
		3.0 beta 3	14S5290d	7		—	313ab755605c94290d4fe73fc5f94881f230ff89.zip	246,034,315
		3.0 beta 4	14S5302d	7		—	d3c611e50f7d871ed0592775a79151416a701c57.zip	189,240,441
		3.0 beta 5	14S5315a	7		—	2c4081692e2a29df9e0b8ee6a2a8538045d2b770.zip	73,559,566
		3.0 beta 6	14S5321a	7		—	34741e8ef07f9e7144e1a66f7447e2ec100c16b8.zip	71,175,583

Apple Watch Series 1[edit source]

Watch2,6[edit source]

Version	Build	Prerequisite Version	Prerequisite Build	Compatibility Version	Release Date	Release Type	OTA Download URL	File Size
3.1	14S471	—		7	24 October 2016	—	cc4227d3656f71da3533a7806609814709146fe3.zip	995,852,960
		3.0	14S326	7		—	83116fcfdff077209442d5a581567ad516b244df.zip	63,605,375
		3.1 beta Pre-release	14S443	7		—	779aad27eb39f80db6f4e3b4e0248993f066cfce.zip	57,440,522
		3.1 beta	14S452	7		—	e8cd110e29efdefb80bd81c63d6224d790da8a8c.zip	46,519,623
		3.1 beta 2	14S464	7		—	853f5d3260c79fa6534d24610207ecc5b4d81322.zip	21,834,251
		3.1 beta 3	14S466	7		—	a7f799ea2c15d29a69cf89b8d09ddd40724c6a54.zip	21,274,863

Watch2,7[edit source]

Version	Build	Prerequisite Version	Prerequisite Build	Compatibility Version	Release Date	Release Type	OTA Download URL	File Size
3.1	14S471	—		7	24 October 2016	—	7572d50cb590943bc1d0c7a2ff32649393b71240.zip	996,631,724
		3.0	14S326	7		—	505aef369b3f2739fe84149c605103c369f1864b.zip	63,614,242
		3.1 beta Pre-release	14S443	7		—	0823aa39e40ae0f327d266e1fe79646db6e80417.zip	57,437,964
		3.1 beta	14S452	7		—	340753f3945a1958c02b7f4ecc8223f576440f64.zip	46,529,846
		3.1 beta 2	14S464	7		—	cc9cc08c9e928247bf0a5a6c911842d4a111bb84.zip	21,835,578
		3.1 beta 3	14S466	7		—	ee540454d240cf7b8588f7b5438273516785c2f2.zip	21,277,311

Apple Watch Series 2[edit source]

Watch2,3[edit source]

Version	Build	Prerequisite Version	Prerequisite Build	Compatibility Version	Release Date	Release Type	OTA Download URL	File Size
3.1	14S471	—		7	24 October 2016	—	fd5f6b502fc1a5d0e996df94dcc2294ad10a21a7.zip	997,015,054
		3.0	14S326	7		—	c5455eae782bbbb74a8de312853760524378e4cd.zip	64,675,300
		3.1 beta Pre-release	14S443	7		—	9e24a0937417c6146a3a9afc1d547bbeef5a9ffd.zip	58,497,161
		3.1 beta	14S452	7		—	45c8b583736887a82a8abd8f6f79d84a82462484.zip	47,579,597
		3.1 beta 2	14S464	7		—	777ed7393bd68cd5583753ad1f241c2a12c18c3a.zip	22,860,054
		3.1 beta 3	14S466	7		—	cc8effd8f504d8122bba82ccf0e336ecfcd32fcb.zip	22,198,177

Watch2,4[edit source]

Version	Build	Prerequisite Version	Prerequisite Build	Compatibility Version	Release Date	Release Type	OTA Download URL	File Size
3.1	14S471	—		7	24 October 2016	—	768d6220d1be0bc4969224fb5ffd7bbb9a300c16.zip	997,788,631
		3.0	14S326	7		—	6c36275a83678ab6a7c48857fc3c88bd0a12fa9d.zip	64,682,165
		3.1 beta Pre-release	14S443	7		—	1a6e661c2864cd6a2b3a9231ddf567ef84d8a8a2.zip	58,494,455
		3.1 beta	14S452	7		—	3aa8f018226bca86e4aea917c6c0db3a828ee731.zip	47,585,758
		3.1 beta 2	14S464	7		—	30757ed3257447659152477197501277345b1fc3.zip	22,862,540
		3.1 beta 3	14S466	7		—	1429a1f7df7b519dbd59fcd4a49afcecfdc014e4.zip	22,200,491

Notes[edit source]

^ ^a ^b Apple inflated the build number in its mesu.apple.com listing, presumably to make the device recognize the update. (e.g. 14S326 was listed as 14S5326.) The listings on this page use the build number displayed on the device.

[inflated-1] Apple inflated the build number in its mesu.apple.com listing, presumably to make the device recognize the update. (e.g. 14S326 was listed as 14S5326.) The listings on this page use the build number displayed on the device.

[1]