OTA Updates/iPhone/5.1

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iPhone 3GS

Version Build Prerequisite Version Prerequisite Build Release Date Release Type OTA Download URL File Size
5.1 9B169 5.0 9A334 7 February 2012 N/A 1d274009445764ad32f3971d8b95d8196b74301e.zip 110,881,182
5.0.1 9A405 N/A a4ebb0cacb3971456b26f518ffb4aeddb6dfcaff.zip 110,774,103
9B172 5.0 9A334 13 February 2012[1] N/A a59a44947b0c892987f9cc38892d8d159918682d.zip 110,874,712
5.0.1 9A405 N/A c5eff4c14de6f7c47bb6ef56c8aeed53822acd39.zip 110,748,566
9B174 5.0 9A334 13 February 2012 N/A d2c7bd6f6d9ee4e3c0c8f92ddbd44e54b900cdec.zip 111,061,273
5.0.1 9A405 N/A 6bd7b176c41b2fd44371515cb4fc7d8f2138b424.zip 110,839,646
9B176 5.0 9A334 7 March 2012 N/A e40288e178845de42cf0fa18365bdcb5fc4492e7.zip 111,010,992
5.0.1 9A405 N/A 0e0e6444cae79c3c809107eb61c3ee6c75c10c2f.zip 110,916,945

iPhone 4

iPhone3,1

Version Build Prerequisite Version Prerequisite Build Release Date Release Type OTA Download URL File Size
5.1 9B169 5.0 9A334 7 February 2012 N/A 17c4483cd87b20bc1a66e9f0e9ab62d7aa14c853.zip 186,038,670
5.0.1 9A405 N/A c6030ffc53c55b00084b0a4be15969cef0fb5781.zip 186,060,659
9B172 5.0 9A334 13 February 2012[1] N/A 04ec55edb9b76012edb1120f3e81afe9a5e24633.zip 186,136,113
5.0.1 9A405 N/A bb4353610c2f560d8e1a63d3a3009a1499954853.zip 186,003,005
9B174 5.0 9A334 13 February 2012 N/A 0835097eab16b6c5c95543c42b401d6f8895a769.zip 186,121,134
5.0.1 9A405 N/A 23f0aa43a9d9638c8fdc6277dabc5185e8d0d832.zip 185,943,345
9B176 5.0 9A334 7 March 2012 N/A 03e5a74f68e6d997820fce4584d4c4b248b7a311.zip 186,113,559
5.0.1 9A405 N/A 4df53ad9e8cbf24a021ea6619654dec4c15fe942.zip 186,154,575

iPhone3,3

Version Build Prerequisite Version Prerequisite Build Release Date Release Type OTA Download URL File Size
5.1 9B169 5.0 9A334 6 February 2012 N/A b97b40d718363c90c1fe88842c6e4bfd40e88ec5.zip 195,515,730
5.0.1 9A405 N/A 0ff36f18dc44611fd95814d5677487867fa93319.zip 195,450,449
9B172 5.0 9A334 13 February 2012[1] N/A 01497e20260bd4af17f9118ab8ffc74f97372665.zip 195,703,068
5.0.1 9A405 N/A dbcecd11e96197607d76cd22865df02d0da37d27.zip 195,710,943
9B174 5.0 9A334 13 February 2012 N/A 12737392a9bc802605d745c07dc854a51030bf50.zip 195,650,505
5.0.1 9A405 N/A 11d36bda63e0b262584d5802db468acac7d72f1e.zip 195,542,923
9B176 5.0 9A334 7 March 2012 N/A 4c34ed79631d24a81dcd56f99a2fe8fe6ba1b506.zip 195,682,427
5.0.1 9A405 N/A 3225fd68ea19c195181ec755e58797f881145454.zip 195,532,946

iPhone 4S

Version Build Prerequisite Version Prerequisite Build Release Date Release Type OTA Download URL File Size
5.1 9B169 5.0 9A334 7 February 2012 N/A dbaea9dba381a79f62bfd4f31dc0d9caded7e720.zip 198,404,456
5.0.1 9A405 N/A 958e5e283d7730bc5b9647ac6eab3d71a98d19cd.zip 198,292,256
9A406 N/A a20839a12ee405a57fb01b4939b9945bf563a94d.zip 198,370,057
9B172 5.0 9A334 13 February 2012[1] N/A c2786583b6b039e9ee89c2e8ffeb65b4be98a6aa.zip 198,521,626
5.0.1 9A405 N/A b5b984bdd44b4b7ab5912742039720f1a4f4e27a.zip 198,495,577
9A406 N/A 823fe334c7d87e6391b77ba7548589dbf81a52fa.zip 198,364,072
9B174 5.0 9A334 13 February 2012 N/A 260f7bb7435a3d26976f45ccaf2175e51a90850b.zip 198,559,725
5.0.1 9A405 N/A 0e1013f268d068a801d66596fe7180eb65748b53.zip 198,350,606
9A406 N/A 3996747b7b435db125f03973a96329c1399a3bd3.zip 198,284,175
9B176 5.0 9A334 7 March 2012[1] N/A b0d7d7aab1c40aa16961944d0610abf0d1e6697b.zip 198,686,382
5.0.1 9A405 N/A 216f18afd771da4038d6b34a215bd9d71da60cfc.zip 198,439,586
9A406 N/A 16e97f26c4e2ef591cf0efaf764970fd4148bc7c.zip 198,565,677
9B179 5.0 9A334 7 March 2012 N/A bdf35bb991b25d0ecc0e2cfb2d59f99d63082c09.zip 198,658,723
5.0.1 9A405 N/A a37da9fd18dd0a40d46192b63ed5069fa4e852c9.zip 198,459,428
9A406 N/A 94fbce740b4e3f59f047ce5369c7afb5f806e249.zip 198,383,965

Notes

  1. ^ a b c d e This release was never actually published; it was discovered from a technical leak.