Users still on iOS 6.0 through 7.0.6 must update to 8.4.1 via OTA prior to installing OTA updates for iOS 9.0 or newer.
Users still on iOS 7.1 through 7.1.2 may update to iOS 9.0, but appear to be given a dummy update first.
| Version
|
Build
|
Prerequisite Version
|
Prerequisite Build
|
Release Date
|
Release Type
|
OTA Download URL
|
File Size
|
| 9.3.1
|
13E238[1]
|
N/A
|
31 March 2016
|
Beta
|
c5c8aaae986baea80eb42dc5c6a4d7d30e159b3d.zip
|
1,190,959,958
|
| 13E238
|
7.1
|
11D167
|
N/A
|
10f6d4da2e56c92e92897ec9c56fd314cf1a0dd5.zip
|
1,050,515,230
|
| 7.1.1
|
11D201
|
N/A
|
dde18b6e7d860ca4fc6a82514f425eb10828e67f.zip
|
1,050,521,504
|
| 7.1.2
|
11D257
|
N/A
|
cb39cafebae843d11df34767716f85771d2bf134.zip
|
1,050,480,940
|
| 8.0
|
12A365
|
N/A
|
5917b230beeada42c5129857919ede44311b3efe.zip
|
991,463,017
|
| 8.0.1
|
12A402
|
N/A
|
8d7e0bf17fb7a1dec2c085edb700c9e37a56fdc7.zip
|
991,063,800
|
| 8.0.2
|
12A405
|
N/A
|
9f2f2bdb220fb1a2ea1fb1fcc92ebe985daf2aec.zip
|
991,058,314
|
| 8.1
|
12B411
|
N/A
|
b83accdcbe39c1b63bec78695cb34a47dab417d2.zip
|
990,523,006
|
| 8.1.1
|
12B435
|
N/A
|
8d691cc6a5137d42e5a9eb0e9f7a33153a2bb969.zip
|
986,361,745
|
| 8.1.2
|
12B440
|
N/A
|
1b2b891113877c66b1f1bfb9e88e4820d88b3be5.zip
|
986,379,365
|
| 8.1.3
|
12B466
|
N/A
|
84734abbdb1efb57439100dfb8d7bef3ea4f4d05.zip
|
986,446,055
|
| 8.2
|
12D508
|
N/A
|
2a8579dcc38508cf047e7ffb3a40bfb6834efa5e.zip
|
950,001,859
|
| 8.3
|
12F69
|
N/A
|
298016864f0602c0f519de5f7ee5c1498790d9af.zip
|
911,973,559
|
| 8.4
|
12H143
|
N/A
|
3c750564d19d191492256a3db11d469ad71034f1.zip
|
909,618,515
|
| 8.4.1
|
12H321
|
N/A
|
7c8290928ec4956ec9361e4c051ec48d2ef1d73e.zip
|
909,552,231
|
| 9.0 GM
|
13A340
|
N/A
|
797275381c270f54ff4b3ab53e5a4c2cb6f53fcf.zip
|
273,068,364
|
| 9.0
|
13A344
|
N/A
|
313d19672304864f12ed565d85a341f7a4e77cfc.zip
|
273,052,159
|
| 9.0.1
|
13A404
|
N/A
|
eec60ecc43cdc7b648e9f1ee705a1f260e68c6ee.zip
|
273,044,119
|
| 9.0.2
|
13A452
|
N/A
|
ddb8e990e25fe63a0dda8416589c398d48e81048.zip
|
272,955,482
|
| 9.1
|
13B143
|
N/A
|
52def91d54df08d828e1ea2b4550d82a7e78d942.zip
|
244,229,459
|
| 9.2
|
13C75
|
N/A
|
b5e745afda13ad09b0569d796d489c4ac14f6cf0.zip
|
214,604,177
|
| 9.2.1
|
13D15
|
N/A
|
31e61fcb9ab3133627099e810e7d8ed393c5f0c3.zip
|
214,637,637
|
| 9.3
|
13E233
|
N/A
|
8143e433477f9e1f2dc86573bc05801ad6bc7022.zip
|
19,900,138
|
| 13E237
|
N/A
|
06d5f93ae25da6767f56891b5269d9c7873e9903.zip
|
19,240,739
|
| Version
|
Build
|
Prerequisite Version
|
Prerequisite Build
|
Release Date
|
Release Type
|
OTA Download URL
|
File Size
|
| 9.3.1
|
13E238[1]
|
N/A
|
31 March 2016
|
N/A
|
ae1e09e3cb408e5f1344d279f5129b89cdd3c9fe.zip
|
1,360,032,018
|
| 13E238
|
N/A
|
Beta
|
| 8.4
|
12H143
|
N/A
|
5a4b3b0c3be22a59531c0c4479b048a90c61b787.zip
|
1,066,102,538
|
| 8.4.1
|
12H321
|
N/A
|
cfb92954633536fafd517d8ae73489e410d5ca03.zip
|
1,066,080,767
|
| 9.0 GM
|
13A340
|
N/A
|
9753a76182b693f2d6023c23323ea7e08e18804d.zip
|
348,522,088
|
| 9.0
|
13A344
|
N/A
|
df1ccb3ebd951ae93ba450cb89c7aa3b9c0ac37e.zip
|
348,514,798
|
| 9.0.1
|
13A404
|
N/A
|
00e7dc95dd5c5b1061a0f7787c3ef4ea3685796c.zip
|
348,481,937
|
| 9.0.2
|
13A452
|
N/A
|
33993bc97cce7a9c2493828054f8d2417005afca.zip
|
348,544,642
|
| 9.1
|
13B143
|
N/A
|
5e0224c031d01c0927d85ddf7ba34b2e5d5098bc.zip
|
315,490,138
|
| 9.2
|
13C75
|
N/A
|
08353f9501e96269a8562e1da11e7186d5a514ea.zip
|
280,366,724
|
| 9.2.1
|
13D15
|
N/A
|
5839eac0cada41a382cfb68a27c21c28010a8237.zip
|
280,313,535
|
| 9.3
|
13E233
|
N/A
|
04c62dc1396d735e72f37d2bdae524212dfc13fd.zip
|
31,564,726
|
Notes
- ^ a b Apple inflated the build number in its mesu.apple.com listing, presumably to make the device recognize the update. (e.g. 13A344 was listed as 13A4344.) The listings on this page use the build number displayed on the device.
