Choose an OTA for the AudioAccessory1,2

aka AudioAccessory1,2

Please note: OTA firmwares cannot be restored to. IPSW Downloads collects them for potential future use. They might also be useful if you're doing research.

Signed OTAs

audioOS 9.9.12.4 (16G78)
Normal Release 22nd July 2019 2.87 GB 86759df962968c7acca40f70cd2c1b385aeb387b.zip
audioOS 9.9.12.4 (16G78)
Prerequisite: audioOS 11.4 (15F80)
Normal Release 22nd July 2019 1.43 GB fd60ddf04399a44fe2d4a3693a83672a1de92b17.zip
audioOS 9.9.12.4 (16G78)
Prerequisite: audioOS 11.4.1 (15G77)
Normal Release 22nd July 2019 1.43 GB 16692ea265fb9cd7794cd51204144a638e202185.zip
audioOS 9.9.12.4 (16G78)
Prerequisite: audioOS 11.3 (15E217)
Normal Release 22nd July 2019 1.43 GB f874b640bbc92db8d37103bebe111f854167728b.zip
audioOS 9.9.12.4 (16G78)
Prerequisite: audioOS 12.1.3 (16D39)
Normal Release 22nd July 2019 422.34 MB dfe878b22122a6937d49684f09d166a035ed4a6a.zip
audioOS 9.9.12.4 (16G78)
Prerequisite: audioOS 12.1.1 (16C50)
Normal Release 22nd July 2019 422 MB c50b19827fd90a081efad017a55342e0db56e785.zip
audioOS 9.9.12.4 (16G78)
Prerequisite: audioOS 12.1 (16B92)
Normal Release 22nd July 2019 423.52 MB 160bb7641c771591531d01ff972495aec4345dbd.zip
audioOS 9.9.12.4 (16G78)
Prerequisite: audioOS 12.0 (16A366)
Normal Release 22nd July 2019 424.33 MB 8d014525e594529d81f7f08f7fb6dab4b0273b96.zip
audioOS 9.9.12.4 (16G78)
Prerequisite: audioOS 12.2 (16E227)
Normal Release 22nd July 2019 205.02 MB 033426c8b21f577d780c66ab55d47d97eced12de.zip
audioOS 9.9.12.4 (16G78)
Prerequisite: audioOS 12.3 (16F156)
Normal Release 22nd July 2019 157.62 MB e41061f504c17ac030023235a162210a3101a3d8.zip
audioOS 9.9.12.1.3 (16D39)
Prerequisite: audioOS 12.0 (16A366)
Normal Release 22nd January 2019 152 MB 745d88b6f9490e148df61b6e88dfd57ed9cc8d74.zip
audioOS 12.1.3 (16D39)
Prerequisite: audioOS 11.4 (15F80)
Normal Release 22nd January 2019 1.4 GB 003a1cb9a7ca909fbcefa2fc25ac6de4c6b0a1b0.zip
audioOS 12.1.3 (16D39)
Prerequisite: audioOS 11.3 (15E217)
Normal Release 22nd January 2019 1.4 GB ee32562e4a13e36b80b5ed2ec5e12c87674d1b52.zip
audioOS 9.9.12.1.3 (16D39)
Prerequisite: audioOS 12.1.1 (16C50)
Normal Release 22nd January 2019 81.84 MB 7ea024c1278526e31e14bd9c29e0207572e79c1d.zip
audioOS 12.1.3 (16D39)
Prerequisite: audioOS 11.4.1 (15G77)
Normal Release 22nd January 2019 1.4 GB 5593f34f4bf804c0a0a28f84edeeb1f0e5589414.zip
audioOS 9.9.12.1.3 (16D39)
Prerequisite: audioOS 12.1 (16B92)
Normal Release 22nd January 2019 114.17 MB 5f80423085b8fb22ec585413182eb546019bb56c.zip
audioOS 9.9.12.1.3 (16D39)
Beta 22nd January 2019 2.85 GB c84fa3ec90c0a15e1fb1c41994385a40be7c1610.zip
audioOS 12.0 (16A366)
Prerequisite: audioOS 11.3 (15E217)
Normal Release 17th September 2018 1.4 GB 0b4b3d3d1a6b880175547ead21ef98f707a60151.zip
audioOS 9.9.12.0 (16A366)
Normal Release 17th September 2018 2.84 GB c750b11a094e3f611c105bb36dd7fead2f6be4cf.zip
audioOS 12.0 (16A366)
Prerequisite: audioOS 11.4 (15F80)
Normal Release 17th September 2018 1.39 GB 396ccaed1233484cf99b05deb18b748286712b3d.zip
audioOS 12.0 (16A366)
Prerequisite: audioOS 11.4.1 (15G77)
Normal Release 17th September 2018 1.39 GB 4b436c2e7e32410c4beb994e6f7f7b63f6935aae.zip

Unsigned OTAs

audioOS 9.9.12.3 (16F156)
Prerequisite: audioOS 12.2 (16E227)
Normal Release 13th May 2019 179.63 MB 27b6f3188e6e6420f5b4e01e9102d08cf698a1bf.zip
audioOS 9.9.12.3 (16F156)
Prerequisite: audioOS 12.1.3 (16D39)
Normal Release 13th May 2019 411.96 MB bea0e5cedffe45f93ffa595d0d5d186558a69c06.zip
audioOS 9.9.12.3 (16F156)
Prerequisite: audioOS 12.1.1 (16C50)
Normal Release 13th May 2019 412.18 MB 41bfabd6a697a32e4886b764f8fa798835f3c8c7.zip
audioOS 9.9.12.3 (16F156)
Prerequisite: audioOS 11.4 (15F80)
Normal Release 13th May 2019 1.42 GB bae5d9c28b19e3a645269180e81a6c9d1e556b36.zip
audioOS 9.9.12.3 (16F156)
Prerequisite: audioOS 11.3 (15E217)
Normal Release 13th May 2019 1.43 GB 47dc8193b0dfbfc4c76be8352264ee173de67cba.zip
audioOS 9.9.12.3 (16F156)
Prerequisite: audioOS 12.1 (16B92)
Normal Release 13th May 2019 415.92 MB 210cd43ac33b2ad7d9e4ebfa7c83e40e2ed07b82.zip
audioOS 9.9.12.3 (16F156)
Prerequisite: audioOS 11.4.1 (15G77)
Normal Release 13th May 2019 1.42 GB ada6e82c84a37bbc5b1a1a1049f3b888eb1a2b88.zip
audioOS 9.9.12.3 (16F156)
Prerequisite: audioOS 12.0 (16A366)
Normal Release 13th May 2019 416.76 MB 30ac898fd9babc4fdcd29628c25daf9f038b931d.zip
audioOS 9.9.12.3 (16F156)
Normal Release 13th May 2019 2.87 GB e1f2ad4e57d7db5d191c772dff20a47a3c764392.zip
audioOS 9.9.12.2 (16E227)
Prerequisite: audioOS 11.4.1 (15G77)
Normal Release 25th March 2019 1.42 GB fffde33d9db1352856049dd9e17dab12c97ecdd0.zip
audioOS 9.9.12.2 (16E227)
Prerequisite: audioOS 12.1.1 (16C50)
Normal Release 25th March 2019 399.87 MB 79a98e68411dc445065733eca6e1638806798601.zip
audioOS 9.9.12.2 (16E227)
Prerequisite: audioOS 11.4 (15F80)
Normal Release 25th March 2019 1.42 GB 5d1b7bd188b733889f2346ac053d96ac5bf5f8c6.zip
audioOS 9.9.12.2 (16E227)
Prerequisite: audioOS 12.0 (16A366)
Normal Release 25th March 2019 405.1 MB 7e7188e8774b05c072a65256af4429f617c4e80e.zip
audioOS 9.9.12.2 (16E227)
Prerequisite: audioOS 12.1.3 (16D39)
Normal Release 25th March 2019 399.57 MB 856e6fe2b27bfb46ccd6dbf3df1aa8c7a3324cfa.zip
audioOS 9.9.12.2 (16E227)
Prerequisite: audioOS 11.3 (15E217)
Normal Release 25th March 2019 1.42 GB 25afb220807b044c3f6110f46d8c8aba5fade53c.zip
audioOS 9.9.12.2 (16E227)
Prerequisite: audioOS 12.1 (16B92)
Normal Release 25th March 2019 403.77 MB 51fd8adced7f6c62c1bb57c3d7b075c24fa14c52.zip
audioOS 9.9.12.2 (16E227)
Beta 25th March 2019 2.86 GB c67c62cbc5570e8097a5b467f8e9d7ec5ce9f21a.zip
audioOS 12.1.1 (16C50)
Prerequisite: audioOS 11.4 (15F80)
Normal Release 5th December 2018 1.4 GB 40befb3b8f812836b4f37e863c61e9cfc6735865.zip
audioOS 12.1.1 (16C50)
Prerequisite: audioOS 11.3 (15E217)
Normal Release 5th December 2018 1.4 GB c1d9bbc156d29f73c64e35b33c34c454edd345a7.zip
audioOS 12.1.1 (16C50)
Prerequisite: audioOS 11.4.1 (15G77)
Normal Release 5th December 2018 1.4 GB 77a67fcd9752d05688c90265661fc2e0c5be26f6.zip
audioOS 9.9.12.1.1 (16C50)
Prerequisite: audioOS 12.0 (16A366)
Normal Release 5th December 2018 149.37 MB ed50eb730ca6249391dd44a57b2f40dc362bc61a.zip
audioOS 9.9.12.1.1 (16C50)
Normal Release 5th December 2018 2.85 GB 3cbf662e580ccb005dc6ca11f4e8db57e5e99a71.zip
audioOS 9.9.12.1.1 (16C50)
Prerequisite: audioOS 12.1 (16B92)
Normal Release 5th December 2018 109.41 MB 14de219b4e8f8c120844626c5decb77d9fc879ed.zip
audioOS 12.1 (16B92)
Prerequisite: audioOS 11.3 (15E217)
Normal Release 30th October 2018 1.4 GB 9af9b4e1fcbd29b7a090288195100710f6e32625.zip
audioOS 12.1 (16B92)
Prerequisite: audioOS 12.0 (16A366)
Normal Release 30th October 2018 135.86 MB a25ad373c02d153e53509c9ef55289a330c8c974.zip
audioOS 9.9.12.1 (16B92)
Normal Release 30th October 2018 2.84 GB fa9c25a5823729f4970cfbd57b228817f1c0c3f6.zip
audioOS 9.9.12.1 (16B6092)
Beta 30th October 2018 2.84 GB fa9c25a5823729f4970cfbd57b228817f1c0c3f6.zip
audioOS 12.1 (16B92)
Prerequisite: audioOS 11.4 (15F80)
Normal Release 30th October 2018 1.4 GB e728a4fc7483e68c73dc9c1b6b4b4c4d842e42fe.zip
audioOS 12.1 (16B92)
Prerequisite: audioOS 11.4.1 (15G77)
Normal Release 30th October 2018 1.4 GB c1e9c376fc1ff6b365f808e2430c19d0778c29bd.zip
audioOS 9.9.11.4.1 (15G77)
Normal Release 9th July 2018 2.66 GB 6f9390e2d026e27b8ed28120b20eeb5392bb366d.zip
audioOS 11.4.1 (15G77)
Prerequisite: audioOS 11.3 (15E217)
Normal Release 9th July 2018 187.39 MB 2251c4238f2ea1561d28e5f9452e95be88f5781d.zip
audioOS 11.4.1 (15G77)
Prerequisite: audioOS 11.4 (15F80)
Normal Release 9th July 2018 64.55 MB 1b7c40e31b85675a841b379bb76cb200d233f3dc.zip
audioOS 11.4 (15F80)
Prerequisite: audioOS 11.3 (15E217)
Normal Release 29th May 2018 183.09 MB e4f6102c8191f9d960b3383ea64f36c42de3d427.zip
audioOS 9.9.11.4 (15F80)
Normal Release 29th May 2018 2.66 GB 2ddb86383042460df997b7ca19686d0398adb8b3.zip
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