< Beta OTA Updates | iPhone
iPhone 3GS[edit]
| Version | Build | Prerequisite Version | Prerequisite Build | Release Date | OTA Download URL | File Size |
|---|---|---|---|---|---|---|
| 5.1 beta 3 | 9B5141a | 5.0.1 | 9A405 | 9 January 2012 | 6741d7662fe6146bcdbec441762470b08ed0c8b1.zip | 110,456,279 |
| 5.1 beta 2 | 9B5127c | ffd65cefb4f892725a2592960f953a31944872e2.zip | 64,373,565 | |||
| 5.1 beta 4 | 9B155[1] | 5.0.1 | 9A405 | 23 January 2012 | 14d2d3b74ffc2c926e24131c6f16ec545ee37792.zip | 110,756,001 |
| 5.1 beta 3 | 9B5141a | 1730afb4780176c39c84c9aa0a115f417008403a.zip | 46,407,494 |
iPhone 4[edit]
iPhone3,1[edit]
| Version | Build | Prerequisite Version | Prerequisite Build | Release Date | OTA Download URL | File Size |
|---|---|---|---|---|---|---|
| 5.1 beta 3 | 9B5141a | 5.0.1 | 9A405 | 9 January 2012 | 14f8af06cff79045e3682287c8f51d99ac9eb4fd.zip | 185,432,127 |
| 5.1 beta 2 | 9B5127c | f7b405cca1af5de58a49c63772e59a8feb17a877.zip | 71,922,963 | |||
| 5.1 beta 4 | 9B155[1] | 5.0.1 | 9A405 | 23 January 2012 | db85e197c6336866a2b22b07bb13716606060bb8.zip | 185,832,575 |
| 5.1 beta 3 | 9B5141a | 6ca371c561317106a2e88ff31e796bc725f156ea.zip | 52,820,262 |
iPhone3,3[edit]
| Version | Build | Prerequisite Version | Prerequisite Build | Release Date | OTA Download URL | File Size |
|---|---|---|---|---|---|---|
| 5.1 beta 3 | 9B5141a | 5.0.1 | 9A405 | 9 January 2012 | 962bb18b9ceb4f651fd1fd63b1dcd4fbb5171fd0.zip | 195,143,783 |
| 5.1 beta 2 | 9B5127c | d504ee2e5a295880ef9ddef8f2e95749463c5c2d.zip | 81,120,562 | |||
| 5.1 beta 4 | 9B155[1] | 5.0.1 | 9A405 | 23 January 2012 | 76408733a9812ff779e8a5db854a7ea2385101f2.zip | 195,396,452 |
| 5.1 beta 3 | 9B5141a | b5f9ecc79d22e6af519ed00506bffc04966daee5.zip | 62,351,550 |
iPhone 4S[edit]
| Version | Build | Prerequisite Version | Prerequisite Build | Release Date | OTA Download URL | File Size |
|---|---|---|---|---|---|---|
| 5.1 beta 3 | 9B5141a | 5.0.1 | 9A405 | 10 January 2012 | 21b1b074d027e09b80905144afc9e0ab7cb15636.zip | 197,887,316 |
| 5.1 beta 2 | 9B5127c | 5e15af51bc7ee8c741d7b25dd1ae7653dcb1efb3.zip | 79,997,780 | |||
| 5.1 beta 4 | 9B155[1] | 5.0.1 | 9A405 | 23 January 2012 | dd4830bae0b342df01962d4dca1889b90854f82b.zip | 198,204,236 |
| 5.1 beta 3 | 9B5141a | 44a83b77f8dec754a4e722a1fab97ced1288f7b6.zip | 60,775,251 |
Notes[edit]
- ^ a b c d Apple inflated the build number in its mesu.apple.com listing, presumably to make the device recognize the update. (e.g. 12F61 was listed as 12F5061.) The listings on this page use the build number displayed on the device.