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).
Version
Build
Prerequisite Version
Prerequisite Build
Release Date
OTA Download URL
File Size
3.1.1
14S883
—
12 December 2016 (2016-12-12 )
c3e7913d8d4912bb1e2c252ccf0dac778b160c74.zip
988,890,441
14S883[ 1]
8.2
12S507
4554655de5de17e3d3e0895747b7df4a95366eea.zip
851,628,693
8.2.1
12S632
da42231188634a248cc07705ee376e4df99ec51a.zip
848,239,164
2.0
13S344
695e54879c45d36008d053dfcec6ae668a392811.zip
637,530,969
2.0.1
13S428
303d6b7663c435bad6f39de911f282cde5279c6e.zip
635,672,971
2.1
13S661
3fad84e8b3a7057dba3809f0e291bcad1eea32e9.zip
620,283,950
2.2
13V144
84793ac5d0112f286c600d8e8400e812cec0c0fa.zip
611,324,230
2.2.1
13V420
defafb3bb5e944d858ae3736a291a418a35ce77b.zip
611,282,134
2.2.2
13V604
449c81845860e32ee8efa62b2c4d09684c6c2b73.zip
611,320,875
3.0 beta
14S5247t
f20565fd753777cc93b9b4a74b267bf8fdcaf79c.zip
372,195,870
3.0 beta 2
14S5278d
b69c6e0fa62afe5b760540242dbd08976ee5c3b1.zip
331,645,018
3.0 beta 3
14S5290d
66bff0f2a331eed08143c3e6abe80e84f6460e25.zip
293,116,371
3.0 beta 4
14S5302d
a34c725de601983430f18309a4a921701f59841e.zip
248,081,004
3.0 beta 5
14S5315a
d387b32604f12a0b09003433b083010033195316.zip
155,999,442
3.0
14S326
a96e2c0fdd3dd014b9713e5d752e085a7b006697.zip
145,558,589
3.1 beta
14S452
6bf645b7e66983072984dabc13b4e32514fa7777.zip
139,520,377
3.1 beta 2
14S464
fc16cf91711e8b51c18dbe701fbda9cf22b4af98.zip
133,001,439
3.1
14S471
5609f75e13bb1c696a47b8e7d20cfcfe4ccb82c9.zip
132,839,143
14S500
a7237e6cdc8f22c2a40945a5764f276f0286a8b7.zip
132,837,631
3.1.1 beta
14S5862d
ba4bccd16337f238f5d27178c2c87c0b98516789.zip
59,429,224
3.1.1 beta 2
14S5869b
64af575985dc5a088548a66ddd553154eccd724f.zip
50,178,398
3.1.1 beta 3
14S5875b
cf37495d11afb49570bc278722239c24d5b573c4.zip
29,236,767
3.1.1 beta 4
14S879
b76f614566c25c3a8af6dc3b176a618b90403e1b.zip
18,336,506
Version
Build
Prerequisite Version
Prerequisite Build
Release Date
OTA Download URL
File Size
3.1.1
14S883
—
12 December 2016 (2016-12-12 )
ed0bf2eb3a6332874c8bf94cdf72cd196f1a62fe.zip
989,269,614
14S883[ 1]
8.2
12S507
b75a3ffcb71148ae9ec9d3b13402466a29f0ae5d.zip
849,779,111
8.2.1
12S632
1497675a364f940eeb1cca9d9f34715eadfb3da7.zip
846,195,482
2.0
13S344
ac83b9bf0ffdc29ad4800e8b7ac15d2a236a40b1.zip
634,961,742
2.0.1
13S428
e9c4304c20706a295976f0342ec005281ab9df08.zip
633,049,791
2.1
13S661
ab789f067c639707a74d381ea791df3745c01fdd.zip
620,637,205
2.2
13V144
535dba8ab710e2785be3ff4d345ea949d20cb754.zip
611,468,323
2.2.1
13V420
09de7b74d2e889886f2dc5f512cfe543bf9090d5.zip
611,438,378
2.2.2
13V604
93b801cb3f612e7edf6c54e89c13483350a05cdd.zip
611,377,393
3.0 beta
14S5247t
2521e5b21236ba9ca43a4664fb783aa3e1068032.zip
372,227,809
3.0 beta 2
14S5278d
61b8ee40c12b330b4186b2e79de349cc7229b41f.zip
331,686,749
3.0 beta 3
14S5290d
b19b70bdc4302380b6c031251bb64fdfea8a798b.zip
293,155,833
3.0 beta 4
14S5302d
44cb23602b886d1af7edc64a29c03cfc5cdd9af8.zip
248,099,280
3.0 beta 5
14S5315a
761f7266757833fb626aa14c2d06687f5dafa015.zip
156,072,687
3.0
14S326
3bb89d38fdf9eeab37598a710b73c623463ceb78.zip
145,605,804
3.1 beta
14S452
1508336693639aa5e1c3eff3a8625e0a05e92419.zip
139,584,898
3.1 beta 2
14S464
9ea832fbd22afe29d22636730cd5208f05b290e8.zip
132,989,718
3.1
14S471
8127709c2c2b7b42fabd3f1cfa825cbf80f8a88e.zip
132,879,048
14S500
c59d83067fbb57bab7a2cda66527ae2f258097c7.zip
132,878,314
3.1.1 beta
14S5862d
e19b8fa41919bdcefd88ed5905d3282ead14c065.zip
59,431,560
3.1.1 beta 2
14S5869b
94ead4cc535e8df5a5d102783c906c9514df49fc.zip
50,178,425
3.1.1 beta 3
14S5875b
2ff42f6b2c8e9345813a4daebcfd541b09945425.zip
29,238,475
3.1.1 beta 4
14S879
2176d2d250973f3c18df9dc5e61f707fe0f5b948.zip
18,338,857
Version
Build
Prerequisite Version
Prerequisite Build
Release Date
OTA Download URL
File Size
3.1.1
14S883
—
12 December 2016 (2016-12-12 )
df53a88c51cb2dc8745ac818e6c5c729cb244c74.zip
1,004,966,488
14S883[ 1]
3.0
14S326
c923677583fe6761f14d17d44164115f921d2f2b.zip
150,571,102
3.1 beta
14S452
f6238fd1c2d53b6bd4d108fb1a7496c3914c4538.zip
144,138,777
3.1 beta 2
14S464
1ebf078f4bff5185aaf08c6a1cb05e4d0fc33e37.zip
137,445,586
3.1
14S471
013045e8b5fed4ee826b8505eae7227d8a890651.zip
137,345,780
14S500
431ead8e50b3a3d2d9fd61c394120ff320fe4b49.zip
137,345,665
3.1.1 beta
14S5862d
b22b8c8cd60eae800af49fc64454aca096bf518b.zip
62,660,502
3.1.1 beta 2
14S5869b
4a485425784cc258a282026a632ae56593067c8c.zip
52,928,530
3.1.1 beta 3
14S5875b
c26fe4ab41c79f2f27b214601f36db2151e9b64e.zip
32,429,871
3.1.1 beta 4
14S879
4da9f83ad6beaf15e3ccfea328ddab5b63adf142.zip
21,398,333
Version
Build
Prerequisite Version
Prerequisite Build
Release Date
OTA Download URL
File Size
3.1.1
14S883
—
2 December 2016 (2016-12-02 )
0ee724889b4f092b0d118030ac78eda4cf48e2e7.zip
1,005,868,714
14S883[ 1]
3.0
14S326
dc2ab1f3499d482594ee388ae25b31f4d66da4fb.zip
150,609,655
3.1 beta
14S452
303711fa3525c6181e06d85652d6358ac9eed783.zip
144,190,996
3.1 beta 2
14S464
7c4d6d2bd55250aa5d9048fec07673bac7d7c3a4.zip
137,457,308
3.1
14S471
655634b09d8e8e05638257edd771d0944d928993.zip
137,339,204
14S500
2778dcd678c3f9393814b32ba984fd1ae7e5c48b.zip
137,338,938
3.1.1 beta
14S5862d
36a33ed45178cc20ba9870de158fd33942f18b1b.zip
62,658,366
3.1.1 beta 2
14S5869b
48ced07d94db521044f55a83985487cfc43d35de.zip
52,928,213
3.1.1 beta 3
14S5875b
3dc186972cb46db84d00620a32bf328fc55d4635.zip
32,429,076
3.1.1 beta 4
14S879
cb28b47489d71f4cf690d5f31ac20e573a4789bb.zip
21,397,409
Version
Build
Prerequisite Version
Prerequisite Build
Release Date
OTA Download URL
File Size
3.1.1
14S883
—
2 December 2016 (2016-12-02 )
9bcc00647ddbd61e52cb8741171252b0d269bddf.zip
1,006,292,228
14S883[ 1]
3.0
14S326
c905f8e809fb0a51d57d51cb34a0876dd60eb23f.zip
151,635,014
3.1 beta
14S452
83e2867dd9451cb5cfb73fbcd020f8c80548e83d.zip
145,181,030
3.1 beta 2
14S464
e9fa93b01dbdb44397ac7d14a24e3bd72ddcb3fd.zip
138,453,224
3.1
14S471
69d92612d7617317e0b11ebf881483ba8f1f234d.zip
138,290,313
14S500
b2cf224db02c1dd0f22886c1cbbcb5770deeb4d2.zip
138,289,911
3.1.1 beta
14S5862d
99b31fb6f5a01c9b5510f52ad7f09e298d39e4aa.zip
63,583,513
3.1.1 beta 2
14S5869b
15abe56c47760524f28030aa986e8dc7f850d56d.zip
53,850,033
3.1.1 beta 3
14S5875b
b55be30d84c74a3fd079a53b3b1be618c3f929ec.zip
33,349,722
3.1.1 beta 4
14S879
ea22b03b809ba1479d195df1c6b77203e7dcab98.zip
22,319,683
Version
Build
Prerequisite Version
Prerequisite Build
Release Date
OTA Download URL
File Size
3.1.1
14S883
—
12 December 2016 (2016-12-12 )
3c611d2395a06277e0548f84921f03d94c5bcc34.zip
1,006,900,648
14S883[ 1]
3.0
14S326
dfd35b172983f2c33461cc8a17ee2c281321b1ee.zip
151,666,286
3.1 beta
14S452
bfbb92dc59b4692e183dfe736439c87448c3ba6b.zip
145,229,480
3.1 beta 2
14S464
7c9f8fc28d1f359f7722c50242956866e977a806.zip
138,499,464
3.1
14S471
6310cda5731eb0f45fb9cc6db4c214566c3d9060.zip
138,274,622
14S500
27aa3e3f208e9c0c12a63ed72b67e6c6c945af29.zip
138,274,871
3.1.1 beta
14S5862d
72f0046719503ffad1534cc5a95ac08d34f135a6.zip
63,582,101
3.1.1 beta 2
14S5869b
211ca08b170b4e3ac7149a5b3b6f46d597ac4a7d.zip
53,850,425
3.1.1 beta 3
14S5875b
e79e52cc2dbc970ed87a24d27fb1fce1d39899f2.zip
33,346,953
3.1.1 beta 4
14S879
94592bc7dac71439e12422e7bf95998eac4da9f2.zip
22,318,960
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. 14S326 was listed as 14S5326.) The listings on this page use the build number displayed on the device.
Firmware
Apple TV Apple Vision Apple Watch HomePod Mac Mac Server iBridge iPad iPad Air iPad Pro iPad mini iPhone iPod touch
Apple TV Apple Vision Apple Watch HomePod Mac Mac Server iBridge iPad iPad Air iPad Pro iPad mini iPhone iPod touch
Mac iPad iPad Air iPad Pro iPad mini iPhone
Mac iPad iPad Air iPad Pro iPad mini iPhone
Apple TV Apple Vision Apple Watch HomePod iPad mini iPhone Mac