Firmware/Apple Watch/8.x

From The Apple Wiki

Apple Watch Series 3

Watch3,1

Version Build Keys Baseband Release Date Download URL SHA1 Hash File Size Documentation
8.0 19R346 Watch3,1 5.80.01 20 September 2021 Watch3,1_8.0_19R346_Restore.ipsw fbc5d38474a61cfc12e7461d5c16828eb959d53b 2,816,228,463 Release Notes
Security Notes
8.0.1 19R354 Watch3,1 11 October 2021 Watch3,1_8.0.1_19R354_Restore.ipsw c511dd4c006ecc905c081da963624de0eb0c1c56 2,817,836,650 Release Notes
8.1 19R570 Watch3,1 25 October 2021 Watch3,1_8.1_19R570_Restore.ipsw 78b58574c57663e83286071ea4e483ef420a157a 2,836,987,479 Release Notes
Security Notes
8.3 19S55 Watch3,1 6.20.01 13 December 2021 ? ? ? Release Notes
Security Notes
8.4 19S546 Watch3,1 26 January 2022 Watch3,1_8.4_19S546_Restore.ipsw abe6769d36d2dd5578fb17c39221ff24d0f1cc6b 2,804,420,900 Release Notes
Security Notes
8.4.2 19S553 Watch3,1 10 February 2022 Watch3,1_8.4.2_19S553_Restore.ipsw 1f73f7f66daab03e4f59b65eb397b2858f8f1dfb 2,804,897,111 Release Notes
8.5 19T242 Watch3,1 14 March 2022 Watch3,1_8.5_19T242_Restore.ipsw 375d5ccd74cd1bca50140c3c8be9a1cf454e3fdf 2,832,288,323 Release Notes
Security Notes
8.5.1 19T252 Watch3,1 31 March 2022 Watch3,1_8.5.1_19T252_Restore.ipsw ca1d585e69fd631bfa1fbcfd7f0fb443bc91ea8c 2,832,177,813 Release Notes
8.6 19T572 Watch3,1 16 May 2022 Watch3,1_8.6_19T572_Restore.ipsw fcdfbde061d98aba365c837c628dfbfeec86a15d 2,838,275,111 Release Notes
Security Notes
8.7 19U66 Watch3,1 20 July 2022 Watch3,1_8.7_19U66_Restore.ipsw c519055b9dc0838c3325d6102c0709403700d88e 2,838,912,932 Release Notes
Security Notes
8.7.1 19U67 Watch3,1 17 August 2022 Watch3,1_8.7.1_19U67_Restore.ipsw 01b57edbf9af23a98981179585f2143613b567ab 2,838,741,371 Release Notes
8.8.1 19U512 Watch3,1 21 June 2023 Watch3,1_8.8.1_19U512_Restore.ipsw 081a2b96f145549d7dc911cc089d28a4629008bc 2,838,779,580 Release Notes
Security Notes

Watch3,2

Version Build Keys Baseband Release Date Download URL SHA1 Hash File Size Documentation
8.0 19R346 Watch3,2 5.80.01 20 September 2021 Watch3,2_8.0_19R346_Restore.ipsw d24305e97293e2c3885c02df6570fb82e04af8a7 2,824,791,949 Release Notes
Security Notes
8.0.1 19R354 Watch3,2 11 October 2021 Watch3,2_8.0.1_19R354_Restore.ipsw d77e0014dbca1a9d5c0cedd50f2246eea1595002 2,824,154,705 Release Notes
8.1 19R570 Watch3,2 25 October 2021 Watch3,2_8.1_19R570_Restore.ipsw f080b749f01d4b126da744a652e42871540eb49e 2,843,913,306 Release Notes
Security Notes
8.3 19S55 Watch3,2 6.20.01 13 December 2021 ? ? ? Release Notes
Security Notes
8.4 19S546 Watch3,2 26 January 2022 ? ? ? Release Notes
Security Notes
8.4.2 19S553 Watch3,2 10 February 2022 Watch3,2_8.4.2_19S553_Restore.ipsw ae5bcd76a7ef51bad1c0a654a47a54d6eca5636b 2,811,977,812 Release Notes
8.5 19T242 Watch3,2 14 March 2022 Watch3,2_8.5_19T242_Restore.ipsw 0eece1dadf5d227c2575e9fcb1f73166d1130075 2,839,918,552 Release Notes
Security Notes
8.5.1 19T252 Watch3,2 31 March 2022 Watch3,2_8.5.1_19T252_Restore.ipsw dcafdf66c00e5f18ad419dad70e15d183ba47a61 2,839,620,711 Release Notes
8.6 19T572 Watch3,2 16 May 2022 Watch3,2_8.6_19T572_Restore.ipsw 7891486b08544d24db7b037c6384e4f45291f070 2,846,069,241 Release Notes
Security Notes
8.7 19U66 Watch3,2 20 July 2022 Watch3,2_8.7_19U66_Restore.ipsw e9982e0943a2504edde06763dec4256943f4f008 2,846,207,741 Release Notes
Security Notes
8.7.1 19U67 Watch3,2 17 August 2022 Watch3,2_8.7.1_19U67_Restore.ipsw 7001f7f17227b9ee8ad93f6c7975bcfdd706a047 2,845,981,626 Release Notes
8.8.1 19U512 Watch3,2 21 June 2023 Watch3,2_8.8.1_19U512_Restore.ipsw 4c36c0b868c11bb2aec5cdff1bd54748fba4496c 2,845,932,672 Release Notes
Security Notes

Watch3,3

Version Build Keys Release Date Download URL SHA1 Hash File Size Documentation
8.0 19R346 Watch3,3 20 September 2021 Watch3,3_8.0_19R346_Restore.ipsw cc082f681527f56deeb99c17ffb7ec4452a081f8 2,740,251,853 Release Notes
Security Notes
8.0.1 19R354 Watch3,3 11 October 2021 Watch3,3_8.0.1_19R354_Restore.ipsw be2e9b8bc4587694e81f097aa920be633da81c9e 2,739,501,569 Release Notes
8.1 19R570 Watch3,3 25 October 2021 Watch3,3_8.1_19R570_Restore.ipsw d9a7a87781c1a01b062cd0870b21d1f4ef474f07 2,769,839,687 Release Notes
Security Notes
8.3 19S55 Watch3,3 13 December 2021 ? ? ? Release Notes
Security Notes
8.4 19S546 Watch3,3 26 January 2022 Watch3,3_8.4_19S546_Restore.ipsw 7131a7748e36c5f4ca5ea18bea4be3a032f758ad 2,782,246,513 Release Notes
Security Notes
8.4.2 19S553 Watch3,3 10 February 2022 Watch3,3_8.4.2_19S553_Restore.ipsw 277b89fe1836b7a0c82a221c2a279ecd510e72cb 2,783,286,645 Release Notes
8.5 19T242 Watch3,3 14 March 2022 Watch3,3_8.5_19T242_Restore.ipsw 11deb6eb5cf9b6629a67e5c86241859cceead079 2,767,029,549 Release Notes
Security Notes
8.5.1 19T252 Watch3,3 31 March 2022 Watch3,3_8.5.1_19T252_Restore.ipsw b75118baf01440536830b6555e4a8e7f02f3948a 2,767,088,595 Release Notes
8.6 19T572 Watch3,3 16 May 2022 Watch3,3_8.6_19T572_Restore.ipsw a97545a6a2c0f7bdf77e5d85574b40bbeaab1635 2,773,634,608 Release Notes
Security Notes
8.7 19U66 Watch3,3 20 July 2022 Watch3,3_8.7_19U66_Restore.ipsw 46ea313843fe7139de6db25df1f70d185080dbea 2,773,745,719 Release Notes
Security Notes
8.7.1 19U67 Watch3,3 17 August 2022 Watch3,3_8.7.1_19U67_Restore.ipsw 85f627d95b1589409fc17f1d5ecaa3fa8ccb7926 2,773,832,776 Release Notes
8.8.1 19U512 Watch3,3 21 June 2023 ? ? ? Release Notes
Security Notes

Watch3,4

Version Build Keys Release Date Download URL SHA1 Hash File Size Documentation
8.0 19R346 Watch3,4 20 September 2021 Watch3,4_8.0_19R346_Restore.ipsw 93feacbfd92c6eca58c37f5c6d104e1fd5039a7f 2,758,108,953 Release Notes
Security Notes
8.0.1 19R354 Watch3,4 11 October 2021 Watch3,4_8.0.1_19R354_Restore.ipsw ef3b7f20506fc90981e6849907ff0c5cc17c971b 2,758,626,686 Release Notes
8.1 19R570 Watch3,4 25 October 2021 Watch3,4_8.1_19R570_Restore.ipsw 81b840834fcd01e0d232a691d1f7552382754a72 2,776,778,025 Release Notes
Security Notes
8.3 19S55 Watch3,4 13 December 2021 ? ? ? Release Notes
Security Notes
8.4 19S546 Watch3,4 26 January 2022 ? ? ? Release Notes
Security Notes
8.4.2 19S553 Watch3,4 10 February 2022 Watch3,4_8.4.2_19S553_Restore.ipsw 6cae80e1d95ae4b284af1ba18c19d94c088b8ac3 2,790,369,794 Release Notes
8.5 19T242 Watch3,4 14 March 2022 Watch3,4_8.5_19T242_Restore.ipsw 210c1b99aa20882879121fa8956799a013504839 2,774,617,911 Release Notes
Security Notes
8.5.1 19T252 Watch3,4 31 March 2022 Watch3,4_8.5.1_19T252_Restore.ipsw b25566dbb82839744c812d4377ef4aa968d7fcce 2,774,878,535 Release Notes
8.6 19T572 Watch3,4 16 May 2022 Watch3,4_8.6_19T572_Restore.ipsw ca24c9c45b2ec0307d7463c2dc4946feef3057c1 2,781,174,040 Release Notes
Security Notes
8.7 19U66 Watch3,4 20 July 2022 Watch3,4_8.7_19U66_Restore.ipsw 8187e4a0c7cff0f6c2f6425c19fff76ddf2cfdb4 2,781,039,569 Release Notes
Security Notes
8.7.1 19U67 Watch3,4 17 August 2022 Watch3,4_8.7.1_19U67_Restore.ipsw c461609c9d6437ce3babfa172507d18c1eb05150 2,781,015,501 Release Notes
8.8.1 19U512 Watch3,4 21 June 2023 Watch3,4_8.8.1_19U512_Restore.ipsw c6a8f9cf2298ffbe203eec29299e88ae73dce206 2,780,927,528 Release Notes
Security Notes

Apple Watch Series 4

Watch4,1

Version Build Keys Release Date Download URL SHA1 Hash File Size Documentation
8.0 19R346 Watch4,1 20 September 2021 Watch4,1_8.0_19R346_Restore.ipsw b6930626161a79613b148ef2dedb3014c6434acd 2,934,906,590 Release Notes
Security Notes
8.0.1 19R354 Watch4,1 11 October 2021 Watch4,1_8.0.1_19R354_Restore.ipsw bb7307971a3071cc36c3134b7b4c5339ac6e0066 2,934,802,240 Release Notes
8.1 19R570 Watch4,1 25 October 2021 Watch4,1_8.1_19R570_Restore.ipsw 8fc8f9f72fc288d25191a59daf64d3db5ed9956b 2,952,668,472 Release Notes
Security Notes
8.3 19S55 Watch4,1 13 December 2021 ? ? ? Release Notes
Security Notes
8.4 19S546 Watch4,1 26 January 2022 ? ? ? Release Notes
Security Notes
8.4.1 19S550 Watch4,1 1 February 2022 Watch4,1_8.4.1_19S550_Restore.ipsw 6c4500f6979e2006ae5109789cea5fbb85fb0887 2,961,779,236 Release Notes
8.4.2 19S553 Watch4,1 10 February 2022 Watch4,1_8.4.2_19S553_Restore.ipsw f5cec547d108174ede3c207142feb3c7b55ea30c 2,961,837,638 Release Notes
8.5 19T242 Watch4,1 14 March 2022 Watch4,1_8.5_19T242_Restore.ipsw 343a3aabcf60fc3f55e256027fef4ae4cf7ae554 2,989,782,238 Release Notes
Security Notes
8.5.1 19T252 Watch4,1 31 March 2022 Watch4,1_8.5.1_19T252_Restore.ipsw 5ffce947073f671a364d9564b8eb4138b600c726 2,989,754,513 Release Notes
8.6 19T572 Watch4,1 16 May 2022 Watch4,1_8.6_19T572_Restore.ipsw 683022987fd4df22a23a3cd3293fe882a3e73a85 2,997,225,778 Release Notes
Security Notes
8.7 19U66 Watch4,1 20 July 2022 Watch4,1_8.7_19U66_Restore.ipsw c3f2458c72b0c7cb33189b241216ba17c123f0c8 2,995,617,802 Release Notes
Security Notes
8.8.1 19U512 Watch4,1 21 June 2023 ? ? ? Release Notes
Security Notes

Watch4,2

Version Build Keys Release Date Download URL SHA1 Hash File Size Documentation
8.0 19R346 Watch4,2 20 September 2021 Watch4,2_8.0_19R346_Restore.ipsw fd88bb2369a3125c62a9d7a02ef2ecec48adc354 2,912,452,755 Release Notes
Security Notes
8.0.1 19R354 Watch4,2 11 October 2021 Watch4,2_8.0.1_19R354_Restore.ipsw 008c1ab72095ba0eb81538fb6433a2059656340a 2,912,585,886 Release Notes
8.1 19R570 Watch4,2 25 October 2021 Watch4,2_8.1_19R570_Restore.ipsw 1cc92905c961610bb22506bea3bf9a1b7560bcd5 2,930,733,857 Release Notes
Security Notes
8.3 19S55 Watch4,2 13 December 2021 ? ? ? Release Notes
Security Notes
8.4 19S546 Watch4,2 26 January 2022 ? ? ? Release Notes
Security Notes
8.4.1 19S550 Watch4,2 1 February 2022 Watch4,2_8.4.1_19S550_Restore.ipsw 08040eb6d23e048cae599711e781e17e2ff0377a 2,940,098,884 Release Notes
8.4.2 19S553 Watch4,2 10 February 2022 Watch4,2_8.4.2_19S553_Restore.ipsw 2a40256d1660ff3e3207021cffc4b5fb8c1d2a52 2,940,345,627 Release Notes
8.5 19T242 Watch4,2 14 March 2022 Watch4,2_8.5_19T242_Restore.ipsw 94f7313858e0761b4e92b725a1c2aea4b2f8330c 2,967,318,524 Release Notes
Security Notes
8.5.1 19T252 Watch4,2 31 March 2022 Watch4,2_8.5.1_19T252_Restore.ipsw 8184ccb4490920345cec199da6bbf655a8aa5b18 2,967,220,957 Release Notes
8.6 19T572 Watch4,2 16 May 2022 Watch4,2_8.6_19T572_Restore.ipsw 737ff98acaca30050179e05e18f9eadfb12d3eaf 2,974,023,879 Release Notes
Security Notes
8.7 19U66 Watch4,2 20 July 2022 Watch4,2_8.7_19U66_Restore.ipsw de509503b03d8f76a2f633a4ab38dc82d7c24217 2,973,651,874 Release Notes
Security Notes
8.8.1 19U512 Watch4,2 21 June 2023 ? ? ? Release Notes
Security Notes

Watch4,3

Version Build Keys Baseband Release Date Download URL SHA1 Hash File Size Documentation
8.0 19R346 Watch4,3 4.00.00 20 September 2021 Watch4,3_8.0_19R346_Restore.ipsw eafb72ffe197b0da6503c6a6e73e8c996057a944 2,991,550,875 Release Notes
Security Notes
8.0.1 19R354 Watch4,3 11 October 2021 Watch4,3_8.0.1_19R354_Restore.ipsw 5058c54301a08b535408da8891bb043a1d8e2b40 2,991,553,469 Release Notes
8.1 19R570 Watch4,3 25 October 2021 Watch4,3_8.1_19R570_Restore.ipsw c644331d2eb92ce8a9366b9c90df91d3b677f68e 3,009,221,126 Release Notes
Security Notes
8.3 19S55 Watch4,3 4.01.01 13 December 2021 ? ? ? Release Notes
Security Notes
8.4 19S546 Watch4,3 26 January 2022 ? ? ? Release Notes
Security Notes
8.4.1 19S550 Watch4,3 1 February 2022 Watch4,3_8.4.1_19S550_Restore.ipsw 0d126584e2e8dc60e95e8055fd522eacf58c2947 3,018,769,953 Release Notes
8.4.2 19S553 Watch4,3 10 February 2022 Watch4,3_8.4.2_19S553_Restore.ipsw faf19f3f15bce5af290bf53461a990bd1e38eaf8 3,018,818,149 Release Notes
8.5 19T242 Watch4,3 4.02.01 14 March 2022 Watch4,3_8.5_19T242_Restore.ipsw 9cb1de8d8e148fd1dc16cf7876b6c870066a68dd 3,044,840,641 Release Notes
Security Notes
8.5.1 19T252 Watch4,3 31 March 2022 Watch4,3_8.5.1_19T252_Restore.ipsw 2fad23b5901bf3196afc785a637bc50879902b61 3,044,999,725 Release Notes
8.6 19T572 Watch4,3 4.03.01 16 May 2022 Watch4,3_8.6_19T572_Restore.ipsw da372774052b86926105521cb3636dbaa36bf197 3,051,684,316 Release Notes
Security Notes
8.7 19U66 Watch4,3 20 July 2022 Watch4,3_8.7_19U66_Restore.ipsw aa8662ed654405ae1f06650532036c6883c3dd16 3,051,379,236 Release Notes
Security Notes
8.8.1 19U512 Watch4,3 21 June 2023 ? ? ? Release Notes
Security Notes

Watch4,4

Version Build Keys Baseband Release Date Download URL SHA1 Hash File Size Documentation
8.0 19R346 Watch4,4 4.00.00 20 September 2021 Watch4,4_8.0_19R346_Restore.ipsw 0a98a9747f8a7f8dc96a7b61600c432747314f57 2,969,663,376 Release Notes
Security Notes
8.0.1 19R354 Watch4,4 11 October 2021 Watch4,4_8.0.1_19R354_Restore.ipsw c44ba6110a3b43e5cfa9c262384000f949c3b65f 2,969,761,708 Release Notes
8.1 19R570 Watch4,4 25 October 2021 Watch4,4_8.1_19R570_Restore.ipsw 4e1c95f23b889098530445067094c27320e2ccab 2,987,100,164 Release Notes
Security Notes
8.3 19S55 Watch4,4 4.01.01 13 December 2021 ? ? ? Release Notes
Security Notes
8.4 19S546 Watch4,4 26 January 2022 ? ? ? Release Notes
Security Notes
8.4.1 19S550 Watch4,4 1 February 2022 Watch4,4_8.4.1_19S550_Restore.ipsw dfdcb5d373040205008891bebb2b0d56f82210da 2,996,384,658 Release Notes
8.4.2 19S553 Watch4,4 10 February 2022 Watch4,4_8.4.2_19S553_Restore.ipsw 65cb25b1db67f9d5d7ac06a27474931e0bb65703 2,996,683,557 Release Notes
8.5 19T242 Watch4,4 4.02.01 14 March 2022 Watch4,4_8.5_19T242_Restore.ipsw f64823a253cf24be7585830f03ee830250206c77 3,022,892,511 Release Notes
Security Notes
8.5.1 19T252 Watch4,4 31 March 2022 Watch4,4_8.5.1_19T252_Restore.ipsw f796991e3bd23d3dd0de1470464b9656bd5209b0 3,022,661,262 Release Notes
8.6 19T572 Watch4,4 4.03.01 16 May 2022 Watch4,4_8.6_19T572_Restore.ipsw 3e2635873d3373c3bac7f2141c95e2a4697f8f0e 3,029,534,778 Release Notes
Security Notes
8.7 19U66 Watch4,4 20 July 2022 Watch4,4_8.7_19U66_Restore.ipsw 073b5f496170288838032f6e186e1305f0fde60f 3,029,334,192 Release Notes
Security Notes
8.8.1 19U512 Watch4,4 21 June 2023 ? ? ? Release Notes
Security Notes

Apple Watch Series 5

Watch5,1

Version Build Keys Release Date Download URL SHA1 Hash File Size Documentation
8.0 19R346 Watch5,1 20 September 2021 Watch5,1_8.0_19R346_Restore.ipsw 2af9ba24bbcec444281fb2875384e4f0cf975b18 2,936,009,396 Release Notes
Security Notes
8.0.1 19R354 Watch5,1 11 October 2021 Watch5,1_8.0.1_19R354_Restore.ipsw 44b5c18bd208c03aa25e6738245504dd2fbbd472 2,936,157,546 Release Notes
8.1 19R570 Watch5,1 25 October 2021 Watch5,1_8.1_19R570_Restore.ipsw 3c75f9a19ef040f8c37a2e99fd26986e9c709bfe 2,953,988,173 Release Notes
Security Notes
8.3 19S55 Watch5,1 13 December 2021 ? ? ? Release Notes
Security Notes
8.4 19S546 Watch5,1 26 January 2022 ? ? ? Release Notes
Security Notes
8.4.1 19S550 Watch5,1 1 February 2022 Watch5,1_8.4.1_19S550_Restore.ipsw e2c1fa2e4204c55ed41826f17774458fbda5a95b 2,963,093,779 Release Notes
8.4.2 19S553 Watch5,1 10 February 2022 Watch5,1_8.4.2_19S553_Restore.ipsw 9966f2907f5c8a2019964701d24d3a85cfb42699 2,963,393,550 Release Notes
8.5 19T242 Watch5,1 14 March 2022 Watch5,1_8.5_19T242_Restore.ipsw 5240ffdd1b56d19951a2ee7e2f7bd89748929971 2,990,458,664 Release Notes
Security Notes
8.5.1 19T252 Watch5,1 31 March 2022 Watch5,1_8.5.1_19T252_Restore.ipsw d260fb3c8e9f9d0d1d12fc1f4cc7245c435781df 2,991,131,728 Release Notes
8.6 19T572 Watch5,1 16 May 2022 Watch5,1_8.6_19T572_Restore.ipsw ad6503f7e7e2c25915f15cd73cb59e51123dbea3 2,997,815,632 Release Notes
Security Notes
8.7 19U66 Watch5,1 20 July 2022 Watch5,1_8.7_19U66_Restore.ipsw d49322e012548d97e4d185c421b1a0aa9d6da093 2,997,173,226 Release Notes
Security Notes
8.8.1 19U512 Watch5,1 21 June 2023 ? ? ? Release Notes
Security Notes

Watch5,2

Version Build Keys Release Date Download URL SHA1 Hash File Size Documentation
8.0 19R346 Watch5,2 20 September 2021 Watch5,2_8.0_19R346_Restore.ipsw a4dbb44c1391eb452e54acbf3da9ea76de8fd03a 2,913,919,749 Release Notes
Security Notes
8.0.1 19R354 Watch5,2 11 October 2021 Watch5,2_8.0.1_19R354_Restore.ipsw 4005418be6eb7acf8cc4876e671899453464085f 2,913,984,787 Release Notes
8.1 19R570 Watch5,2 25 October 2021 Watch5,2_8.1_19R570_Restore.ipsw cd3027283e0354f329b6e543da2921c9face9b95 2,931,649,856 Release Notes
Security Notes
8.3 19S55 Watch5,2 13 December 2021 ? ? ? Release Notes
Security Notes
8.4 19S546 Watch5,2 26 January 2022 ? ? ? Release Notes
Security Notes
8.4.1 19S550 Watch5,2 1 February 2022 Watch5,2_8.4.1_19S550_Restore.ipsw 4fa737322ce8fb678d59e3dc0fe1b476aacf604b 2,941,149,321 Release Notes
8.4.2 19S553 Watch5,2 10 February 2022 Watch5,2_8.4.2_19S553_Restore.ipsw 5f2a54f84ee16e9bd3d68534ec142526706bdf7f 2,940,966,127 Release Notes
8.5 19T242 Watch5,2 14 March 2022 Watch5,2_8.5_19T242_Restore.ipsw 86269ab204541fe86acdb11720ff8922eb73b359 2,968,233,686 Release Notes
Security Notes
8.5.1 19T252 Watch5,2 31 March 2022 Watch5,2_8.5.1_19T252_Restore.ipsw 5665588fce89207bc4fab480d203679e89773e5a 2,968,775,995 Release Notes
8.6 19T572 Watch5,2 16 May 2022 Watch5,2_8.6_19T572_Restore.ipsw 23ebec5313b15638f9c1abd812f61bd29e5b4be5 2,975,269,512 Release Notes
Security Notes
8.7 19U66 Watch5,2 20 July 2022 Watch5,2_8.7_19U66_Restore.ipsw 2fb58b8a412758973130072f7b4e86c87f37daa5 2,975,070,733 Release Notes
Security Notes
8.8.1 19U512 Watch5,2 21 June 2023 ? ? ? Release Notes
Security Notes

Watch5,3

Version Build Keys Baseband Release Date Download URL SHA1 Hash File Size Documentation
8.0 19R346 Watch5,3 4.00.00 20 September 2021 Watch5,3_8.0_19R346_Restore.ipsw 8e0a3a51a87a5ae2c803d40b1e6a20ed3456a3fa 2,993,175,092 Release Notes
Security Notes
8.0.1 19R354 Watch5,3 11 October 2021 Watch5,3_8.0.1_19R354_Restore.ipsw f21bc73a975506746fa71eaef5b12d8531489b4f 2,993,117,556 Release Notes
8.1 19R570 Watch5,3 25 October 2021 Watch5,3_8.1_19R570_Restore.ipsw 2209dcdd9e78ec1ad6601f9890b5c5600e01ed78 3,011,004,214 Release Notes
Security Notes
8.3 19S55 Watch5,3 4.01.01 13 December 2021 ? ? ? Release Notes
Security Notes
8.4 19S546 Watch5,3 26 January 2022 ? ? ? Release Notes
Security Notes
8.4.1 19S550 Watch5,3 1 February 2022 Watch5,3_8.4.1_19S550_Restore.ipsw cd853b47e3a4420977121e1057b51a702af40010 3,020,586,219 Release Notes
8.4.2 19S553 Watch5,3 10 February 2022 Watch5,3_8.4.2_19S553_Restore.ipsw 071524fee9cb958e95e7c3ff782caf4364463a09 3,020,387,769 Release Notes
8.5 19T242 Watch5,3 4.02.01 14 March 2022 Watch5,3_8.5_19T242_Restore.ipsw 81f6f983d7d0d3f0f8385c46ce64d5359a83d391 3,046,181,908 Release Notes
Security Notes
8.5.1 19T252 Watch5,3 31 March 2022 Watch5,3_8.5.1_19T252_Restore.ipsw 5546449eb69917d10e52bdaca6a277da26fbf8be 3,045,998,075 Release Notes
8.6 19T572 Watch5,3 4.03.01 16 May 2022 Watch5,3_8.6_19T572_Restore.ipsw 4e331ef1b955e31caf8553a7f60b8e3a564abe15 3,053,179,689 Release Notes
Security Notes
8.7 19U66 Watch5,3 20 July 2022 Watch5,3_8.7_19U66_Restore.ipsw acdb084eeab7bc16f688bf13b6c6d762b6e6b22b 3,052,868,245 Release Notes
Security Notes
8.8.1 19U512 Watch5,3 21 June 2023 ? ? ? Release Notes
Security Notes

Watch5,4

Version Build Keys Baseband Release Date Download URL SHA1 Hash File Size Documentation
8.0 19R346 Watch5,4 4.00.00 20 September 2021 Watch5,4_8.0_19R346_Restore.ipsw 083baff704ec84f20fc808198a6c79f1129dab3c 2,970,519,307 Release Notes
Security Notes
8.0.1 19R354 Watch5,4 11 October 2021 Watch5,4_8.0.1_19R354_Restore.ipsw 345f5efebdcd64bca0ba931d09aff5a42d2462a2 2,970,494,684 Release Notes
8.1 19R570 Watch5,4 25 October 2021 Watch5,4_8.1_19R570_Restore.ipsw 1b44633e5f1658b1250777f61cb0844bd0af0805 2,988,583,067 Release Notes
Security Notes
8.3 19S55 Watch5,4 4.01.01 13 December 2021 ? ? ? Release Notes
Security Notes
8.4 19S546 Watch5,4 26 January 2022 ? ? ? Release Notes
Security Notes
8.4.1 19S550 Watch5,4 1 February 2022 Watch5,4_8.4.1_19S550_Restore.ipsw 1b7f65db9c0f8f01b9c179e5389d5681ec672ab3 2,997,959,123 Release Notes
8.4.2 19S553 Watch5,4 10 February 2022 Watch5,4_8.4.2_19S553_Restore.ipsw ac7da34938f71fa66aa88dfedf1dd3a8029352b9 2,998,322,505 Release Notes
8.5 19T242 Watch5,4 4.02.01 14 March 2022 Watch5,4_8.5_19T242_Restore.ipsw 9bf6a784c5dba536fd53ea67f1e54d60000db892 3,023,863,631 Release Notes
Security Notes
8.5.1 19T252 Watch5,4 31 March 2022 Watch5,4_8.5.1_19T252_Restore.ipsw f9bd94a3e96d5646395b7f9a7b8f70692ef426bb 3,023,636,447 Release Notes
8.6 19T572 Watch5,4 4.03.01 16 May 2022 Watch5,4_8.6_19T572_Restore.ipsw 6d849fd0e140f27b736144b9568d174acc199753 3,031,250,191 Release Notes
Security Notes
8.7 19U66 Watch5,4 20 July 2022 Watch5,4_8.7_19U66_Restore.ipsw 4c56336ca312e16f51692517f4270b78b3ecabc3 3,030,733,524 Release Notes
Security Notes
8.8.1 19U512 Watch5,4 21 June 2023 ? ? ? Release Notes
Security Notes

Apple Watch SE

Watch5,9

Version Build Keys Release Date Download URL SHA1 Hash File Size Documentation
8.0 19R346 Watch5,9 20 September 2021 Watch5,9_8.0_19R346_Restore.ipsw 01ec9786a0479686bf99b1faff5cdfa687355b9f 2,935,762,762 Release Notes
Security Notes
8.0.1 19R354 Watch5,9 11 October 2021 Watch5,9_8.0.1_19R354_Restore.ipsw abfab2d3c76dadbf9b0d5779fbb9ee413ee59dfc 2,935,844,437 Release Notes
8.1 19R570 Watch5,9 25 October 2021 Watch5,9_8.1_19R570_Restore.ipsw 8c9d8db1ecc760b13d80757a49963a543105427e 2,953,766,035 Release Notes
Security Notes
8.3 19S55 Watch5,9 13 December 2021 ? ? ? Release Notes
Security Notes
8.4 19S546 Watch5,9 26 January 2022 ? ? ? Release Notes
Security Notes
8.4.1 19S550 Watch5,9 1 February 2022 Watch5,9_8.4.1_19S550_Restore.ipsw 66f97ff0593c0e8c73dec21666e9acd055db137f 2,962,792,564 Release Notes
8.4.2 19S553 Watch5,9 10 February 2022 Watch5,9_8.4.2_19S553_Restore.ipsw 24827431e911ee65672e691f8d3ff28c1497e341 2,963,226,913 Release Notes
8.5 19T242 Watch5,9 14 March 2022 Watch5,9_8.5_19T242_Restore.ipsw 16596c6cf547fa1f7565cb93c23b13a825a86ed2 2,990,246,610 Release Notes
Security Notes
8.5.1 19T252 Watch5,9 31 March 2022 Watch5,9_8.5.1_19T252_Restore.ipsw f94aa724efd72b35c9a4a25d19496e0b4bf81d5b 2,990,997,910 Release Notes
8.6 19T572 Watch5,9 16 May 2022 Watch5,9_8.6_19T572_Restore.ipsw 13cae64c7efa6bded228c2cf4f5dd953a3c303da 2,997,298,887 Release Notes
Security Notes
8.7 19U66 Watch5,9 20 July 2022 Watch5,9_8.7_19U66_Restore.ipsw 24dd563e0a6f4d88243b6a7abcb1d7c0c53e895c 2,997,044,439 Release Notes
Security Notes
8.8.1 19U512 Watch5,9 21 June 2023 ? ? ? Release Notes
Security Notes

Watch5,10

Version Build Keys Release Date Download URL SHA1 Hash File Size Documentation
8.0 19R346 Watch5,10 20 September 2021 Watch5,10_8.0_19R346_Restore.ipsw 73a9116b25a0badb8363ac2c9d5025ad5d167ff5 2,913,641,870 Release Notes
Security Notes
8.0.1 19R354 Watch5,10 11 October 2021 Watch5,10_8.0.1_19R354_Restore.ipsw 0a0f81b85f698dec9b62836756d68ea5667ee3d3 2,913,631,785 Release Notes
8.1 19R570 Watch5,10 25 October 2021 Watch5,10_8.1_19R570_Restore.ipsw 2de15fcdf982df8e8e3e36d08c350f7920c50270 2,931,546,677 Release Notes
Security Notes
8.3 19S55 Watch5,10 13 December 2021 ? ? ? Release Notes
Security Notes
8.4 19S546 Watch5,10 26 January 2022 ? ? ? Release Notes
Security Notes
8.4.1 19S550 Watch5,10 1 February 2022 Watch5,10_8.4.1_19S550_Restore.ipsw 65b0bc6a062e74be3e892c174efc120a45f77adb 2,941,141,560 Release Notes
8.4.2 19S553 Watch5,10 10 February 2022 Watch5,10_8.4.2_19S553_Restore.ipsw 30d5569530eafc2ec95e249be097f8c2781c43c1 2,940,822,735 Release Notes
8.5 19T242 Watch5,10 14 March 2022 Watch5,10_8.5_19T242_Restore.ipsw 195dcdd50de6d157a32b68afaee93b895c120a7c 2,968,286,116 Release Notes
Security Notes
8.5.1 19T252 Watch5,10 31 March 2022 Watch5,10_8.5.1_19T252_Restore.ipsw 9f2c0985f609e8892599fbfbc5cec94032767a6d 2,968,501,970 Release Notes
8.6 19T572 Watch5,10 16 May 2022 Watch5,10_8.6_19T572_Restore.ipsw e4435fa49688103212650d2465707e4c8cdad090 2,975,041,216 Release Notes
Security Notes
8.7 19U66 Watch5,10 20 July 2022 Watch5,10_8.7_19U66_Restore.ipsw 324448620ba39e22ccaba0ac986a34ee35ffbe7d 2,974,818,825 Release Notes
Security Notes
8.8.1 19U512 Watch5,10 21 June 2023 ? ? ? Release Notes
Security Notes

Watch5,11

Version Build Keys Baseband Release Date Download URL SHA1 Hash File Size Documentation
8.0 19R346 Watch5,11 4.00.00 20 September 2021 Watch5,11_8.0_19R346_Restore.ipsw 1287450f057bc436b3300f0134e45af1408335af 2,992,382,842 Release Notes
Security Notes
8.0.1 19R354 Watch5,11 11 October 2021 Watch5,11_8.0.1_19R354_Restore.ipsw 7318660b9e5a45b6498418d18bfc185d842be2be 2,992,355,494 Release Notes
8.1 19R570 Watch5,11 25 October 2021 Watch5,11_8.1_19R570_Restore.ipsw 0e09ae2ca465986defd2c796784e899f809d09b9 3,010,072,201 Release Notes
Security Notes
8.3 19S55 Watch5,11 4.01.01 13 December 2021 ? ? ? Release Notes
Security Notes
8.4 19S546 Watch5,11 26 January 2022 ? ? ? Release Notes
Security Notes
8.4.1 19S550 Watch5,11 1 February 2022 Watch5,11_8.4.1_19S550_Restore.ipsw c7fab13b47827416d3d9a947240e653641791664 3,019,446,309 Release Notes
8.4.2 19S553 Watch5,11 10 February 2022 Watch5,11_8.4.2_19S553_Restore.ipsw 3dfd978ec7443a3473645fb86f5528f21aecd8b9 3,019,024,152 Release Notes
8.5 19T242 Watch5,11 4.02.01 14 March 2022 Watch5,11_8.5_19T242_Restore.ipsw 0f2c93d4612c07c5092b7f7bace236dafd2b364f 3,045,150,662 Release Notes
Security Notes
8.5.1 19T252 Watch5,11 31 March 2022 Watch5,11_8.5.1_19T252_Restore.ipsw b8206edf7027c20e6c2df63654d68c16b14d52bc 3,045,210,760 Release Notes
8.6 19T572 Watch5,11 4.03.01 16 May 2022 Watch5,11_8.6_19T572_Restore.ipsw 760d528a4170eeea3a61105404a51403f9faa663 3,052,298,352 Release Notes
Security Notes
8.7 19U66 Watch5,11 20 July 2022 Watch5,11_8.7_19U66_Restore.ipsw 91b29d164c7ee08c5e535739f25af2684e6007f6 3,051,588,964 Release Notes
Security Notes
8.8.1 19U512 Watch5,11 21 June 2023 ? ? ? Release Notes
Security Notes

Watch5,12

Version Build Keys Baseband Release Date Download URL SHA1 Hash File Size Documentation
8.0 19R346 Watch5,12 4.00.00 20 September 2021 Watch5,12_8.0_19R346_Restore.ipsw ad6dbac2e3e4e9997631ebc92e122604d11db7a4 2,969,735,183 Release Notes
Security Notes
8.0.1 19R354 Watch5,12 11 October 2021 Watch5,12_8.0.1_19R354_Restore.ipsw 56a5c4338becff37e7b267ab51e54d04d6f8474c 2,969,807,762 Release Notes
8.1 19R570 Watch5,12 25 October 2021 Watch5,12_8.1_19R570_Restore.ipsw f08de5b2516135ab04ec235e3253dbd005ded00a 2,987,901,474 Release Notes
Security Notes
8.3 19S55 Watch5,12 4.01.01 13 December 2021 ? ? ? Release Notes
Security Notes
8.4 19S546 Watch5,12 26 January 2022 ? ? ? Release Notes
Security Notes
8.4.1 19S550 Watch5,12 1 February 2022 Watch5,12_8.4.1_19S550_Restore.ipsw 6cbbe170df0032be714bd40bebc9f994e2b101e7 2,997,000,009 Release Notes
8.4.2 19S553 Watch5,12 10 February 2022 Watch5,12_8.4.2_19S553_Restore.ipsw feecb8d3f6d88a2487c5af87901d1971812ad8f5 2,997,446,125 Release Notes
8.5 19T242 Watch5,12 4.02.01 14 March 2022 Watch5,12_8.5_19T242_Restore.ipsw 89654b39d16008389d99bbfabd16abec985dc060 3,023,123,320 Release Notes
Security Notes
8.5.1 19T252 Watch5,12 31 March 2022 Watch5,12_8.5.1_19T252_Restore.ipsw 8430d7eaa2cce07fdcc31142ead7350828e309ea 3,022,832,561 Release Notes
8.6 19T572 Watch5,12 4.03.01 16 May 2022 Watch5,12_8.6_19T572_Restore.ipsw 18243a919088cd9a0851e4237baa4c0dc5ae6fd4 3,029,967,495 Release Notes
Security Notes
8.7 19U66 Watch5,12 20 July 2022 Watch5,12_8.7_19U66_Restore.ipsw 10a25000eaecb6ceb972bcce3b78e9efeeef8ce9 3,029,818,025 Release Notes
Security Notes
8.8.1 19U512 Watch5,12 21 June 2023 ? ? ? Release Notes
Security Notes

Apple Watch Series 6

Watch6,1

Version Build Keys Release Date Download URL SHA1 Hash File Size Documentation
8.0 19R346 Watch6,1 20 September 2021 Watch6,1_8.0_19R346_Restore.ipsw 0d5ca7612cb867f2abbd406446b0d9b7fa7971b7 2,927,123,146 Release Notes
Security Notes
8.0.1 19R354 Watch6,1 11 October 2021 Watch6,1_8.0.1_19R354_Restore.ipsw 846f2b05352d050be5e214d0c48885ccf84cfe70 2,926,936,972 Release Notes
8.1 19R570 Watch6,1 25 October 2021 Watch6,1_8.1_19R570_Restore.ipsw 2154817b9ae3d8e1db4a794831176d03a9d4b2ae 2,945,505,291 Release Notes
Security Notes
8.3 19S55 Watch6,1 13 December 2021 ? ? ? Release Notes
Security Notes
8.4 19S546 Watch6,1 26 January 2022 ? ? ? Release Notes
Security Notes
8.4.1 19S550 Watch6,1 1 February 2022 Watch6,1_8.4.1_19S550_Restore.ipsw 4142c926b359cc953e9d64cfcc7641e2dca04a3c 2,954,738,905 Release Notes
8.4.2 19S553 Watch6,1 10 February 2022 Watch6,1_8.4.2_19S553_Restore.ipsw e7c7802d24adb771ebac2faae111d14529baa272 2,954,453,265 Release Notes
8.5 19T242 Watch6,1 14 March 2022 Watch6,1_8.5_19T242_Restore.ipsw 5b8a8630c95aa9b37c97ac4dc61fb223931950b9 2,978,268,816 Release Notes
Security Notes
8.5.1 19T252 Watch6,1 31 March 2022 Watch6,1_8.5.1_19T252_Restore.ipsw bab697f86699df04f2435b9c70309467980bcd05 2,978,135,772 Release Notes
8.6 19T572 Watch6,1 16 May 2022 Watch6,1_8.6_19T572_Restore.ipsw 77a09911e49bb7b82e3f020d3bae73aa0b93af8f 2,985,397,547 Release Notes
Security Notes
8.7 19U66 Watch6,1 20 July 2022 Watch6,1_8.7_19U66_Restore.ipsw 00333a4a468c0c84c0a0566ad660e546c4358270 2,984,745,342 Release Notes
Security Notes
8.8.1 19U512 Watch6,1 21 June 2023 ? ? ? Release Notes
Security Notes

Watch6,2

Version Build Keys Release Date Download URL SHA1 Hash File Size Documentation
8.0 19R346 Watch6,2 20 September 2021 Watch6,2_8.0_19R346_Restore.ipsw a4bf9961e4ae96ab0b7e4db7a3ea970b3f42f437 2,904,414,931 Release Notes
Security Notes
8.0.1 19R354 Watch6,2 11 October 2021 Watch6,2_8.0.1_19R354_Restore.ipsw c692af9093b764fc93e9d3f176956d8e0844a4af 2,904,635,612 Release Notes
8.1 19R570 Watch6,2 25 October 2021 Watch6,2_8.1_19R570_Restore.ipsw 158ad887bd2528a9069961e8f8b5eeab713cbb8d 2,922,845,618 Release Notes
Security Notes
8.3 19S55 Watch6,2 13 December 2021 ? ? ? Release Notes
Security Notes
8.4 19S546 Watch6,2 26 January 2022 ? ? ? Release Notes
Security Notes
8.4.1 19S550 Watch6,2 1 February 2022 Watch6,2_8.4.1_19S550_Restore.ipsw 0d05761cf556127c22ad07f256b3f226c7867734 2,932,178,613 Release Notes
8.4.2 19S553 Watch6,2 10 February 2022 Watch6,2_8.4.2_19S553_Restore.ipsw 12a8af86c2a84a159e79ae9b7bf448ae8282d242 2,932,356,727 Release Notes
8.5 19T242 Watch6,2 14 March 2022 Watch6,2_8.5_19T242_Restore.ipsw 7f221f52d1bb48505eeff40bf1259e48de8c4d30 2,955,598,602 Release Notes
Security Notes
8.5.1 19T252 Watch6,2 31 March 2022 Watch6,2_8.5.1_19T252_Restore.ipsw 7f75a948cdbb945ad2fbdb95f2e1bf07b5d97c60 2,955,656,550 Release Notes
8.6 19T572 Watch6,2 16 May 2022 Watch6,2_8.6_19T572_Restore.ipsw 2c32fe22e7a7377be59491c8b50c740020847a2d 2,962,643,752 Release Notes
Security Notes
8.7 19U66 Watch6,2 20 July 2022 Watch6,2_8.7_19U66_Restore.ipsw 95d5037ac6f7ba63f79142a0a7c703895278c265 2,962,545,129 Release Notes
Security Notes
8.8.1 19U512 Watch6,2 21 June 2023 ? ? ? Release Notes
Security Notes

Watch6,3

Version Build Keys Baseband Release Date Download URL SHA1 Hash File Size Documentation
8.0 19R346 Watch6,3 4.00.00 20 September 2021 Watch6,3_8.0_19R346_Restore.ipsw 5b45236d888819659372cabd7ba3a4db945ad531 2,983,352,373 Release Notes
Security Notes
8.0.1 19R354 Watch6,3 11 October 2021 Watch6,3_8.0.1_19R354_Restore.ipsw c3afba8b8f39dcf594b08ce7d2612c5c70518e62 2,983,258,894 Release Notes
8.1 19R570 Watch6,3 25 October 2021 Watch6,3_8.1_19R570_Restore.ipsw af1ca32d7fcce501dfb6787259102df050961a9c 3,001,583,606 Release Notes
Security Notes
8.3 19S55 Watch6,3 4.01.01 13 December 2021 ? ? ? Release Notes
Security Notes
8.4 19S546 Watch6,3 26 January 2022 ? ? ? Release Notes
Security Notes
8.4.1 19S550 Watch6,3 1 February 2022 Watch6,3_8.4.1_19S550_Restore.ipsw ccf1388965c7c6ca455876897cbe56f721d3f516 3,010,901,636 Release Notes
8.4.2 19S553 Watch6,3 10 February 2022 Watch6,3_8.4.2_19S553_Restore.ipsw 8f9254edf4b771a4c1f2dc8d87c3d81404077253 3,010,840,374 Release Notes
8.5 19T242 Watch6,3 4.02.01 14 March 2022 Watch6,3_8.5_19T242_Restore.ipsw 3ee18455ed2e76b6b4d6d6b5b3a4e3de154b0db3 3,032,635,433 Release Notes
Security Notes
8.5.1 19T252 Watch6,3 31 March 2022 Watch6,3_8.5.1_19T252_Restore.ipsw ca8540f5e46858904e98aa85f35e911f4e021bbc 3,032,552,646 Release Notes
8.6 19T572 Watch6,3 4.03.01 16 May 2022 Watch6,3_8.6_19T572_Restore.ipsw acff09ebbe0564ff54307e18306ea71b64950e2d 3,040,019,346 Release Notes
Security Notes
8.7 19U66 Watch6,3 20 July 2022 Watch6,3_8.7_19U66_Restore.ipsw f69de8494d8e50ebddca579d1454d8db645c0547 3,039,659,391 Release Notes
Security Notes
8.8.1 19U512 Watch6,3 21 June 2023 ? ? ? Release Notes
Security Notes

Watch6,4

Version Build Keys Baseband Release Date Download URL SHA1 Hash File Size Documentation
8.0 19R346 Watch6,4 4.00.00 20 September 2021 Watch6,4_8.0_19R346_Restore.ipsw f2d4e3e39c3454f79750a7dd1d433a50c819d407 2,961,172,615 Release Notes
Security Notes
8.0.1 19R354 Watch6,4 11 October 2021 Watch6,4_8.0.1_19R354_Restore.ipsw 227f04c7eec816d73a8d7dec42ecf78f6734d20c 2,961,506,422 Release Notes
8.1 19R570 Watch6,4 25 October 2021 Watch6,4_8.1_19R570_Restore.ipsw 464b3505f768db30e1a96c6270515eda27fa4a80 2,979,206,180 Release Notes
Security Notes
8.3 19S55 Watch6,4 4.01.01 13 December 2021 ? ? ? Release Notes
Security Notes
8.4 19S546 Watch6,4 26 January 2022 ? ? ? Release Notes
Security Notes
8.4.1 19S550 Watch6,4 1 February 2022 Watch6,4_8.4.1_19S550_Restore.ipsw c55a9e392380debad6e78a0338aba32638126410 2,988,743,909 Release Notes
8.4.2 19S553 Watch6,4 10 February 2022 Watch6,4_8.4.2_19S553_Restore.ipsw a061dec7e45898fc7e3f8d225ab0db2cf858328e 2,988,850,825 Release Notes
8.5 19T242 Watch6,4 4.02.01 14 March 2022 Watch6,4_8.5_19T242_Restore.ipsw dda0b01a71168beafefb30a206cfed7f26f87671 3,010,693,204 Release Notes
Security Notes
8.5.1 19T252 Watch6,4 31 March 2022 Watch6,4_8.5.1_19T252_Restore.ipsw 21d84d1a2cfda7af90f02ba4a2f769bf20854870 3,010,752,474 Release Notes
8.6 19T572 Watch6,4 4.03.01 16 May 2022 Watch6,4_8.6_19T572_Restore.ipsw dcacf6e213f7986079c043953f3d8aec9e35bf40 3,017,977,108 Release Notes
Security Notes
8.7 19U66 Watch6,4 20 July 2022 Watch6,4_8.7_19U66_Restore.ipsw cf24bc7ef6d4a896e2e7c39314c69bf19bfe1323 3,017,584,590 Release Notes
Security Notes
8.8.1 19U512 Watch6,4 21 June 2023 ? ? ? Release Notes
Security Notes

Apple Watch Series 7

Watch6,6

Version Build Keys Release Date Download URL SHA1 Hash File Size Documentation
8.0 19R343 Preinstalled
19R346 Watch6,6 20 September 2021 Watch6,6_8.0_19R346_Restore.ipsw 7d8ef8daef887a40bb43fd371359fa0f02f700ce 2,959,923,896 Release Notes
Security Notes
8.0.1 19R354 Watch6,6 11 October 2021 Watch6,6_8.0.1_19R354_Restore.ipsw 47226f841ed1c8e766ee1d8d942e6c1fc4fc8077 2,959,809,373 Release Notes
8.1 19R570 Watch6,6 25 October 2021 Watch6,6_8.1_19R570_Restore.ipsw a421df2c3ff897a4525915f2e0894eac9d9f96d6 2,978,453,788 Release Notes
Security Notes
8.3 19S55 Watch6,6 13 December 2021 ? ? ? Release Notes
Security Notes
8.4 19S546 Watch6,6 26 January 2022 ? ? ? Release Notes
Security Notes
8.4.1 19S550 Watch6,6 1 February 2022 Watch6,6_8.4.1_19S550_Restore.ipsw 24ba3a99b4513303bf63d043e35f73f7ccd7b252 2,987,810,886 Release Notes
8.4.2 19S553 Watch6,6 10 February 2022 Watch6,6_8.4.2_19S553_Restore.ipsw 4325477016332502eb125787ccc93fee40d4e789 2,987,834,039 Release Notes
8.5 19T242 Watch6,6 14 March 2022 Watch6,6_8.5_19T242_Restore.ipsw e2a9090719e58207a6879c693a714f6b2408baaf 3,010,800,906 Release Notes
Security Notes
8.5.1 19T252 Watch6,6 31 March 2022 Watch6,6_8.5.1_19T252_Restore.ipsw 38d14914b910a24d6d1e656e6b4bc46de2cf4f9b 3,011,189,168 Release Notes
8.6 19T572 Watch6,6 16 May 2022 Watch6,6_8.6_19T572_Restore.ipsw e361be4c6d0d79ca8ce35aceb06a69941178cdc4 3,017,928,959 Release Notes
Security Notes
8.7 19U66 Watch6,6 20 July 2022 Watch6,6_8.7_19U66_Restore.ipsw 980ede59c0afe86f6ac448f848c18e3ebffb1875 3,017,375,232 Release Notes
Security Notes
8.8.1 19U512 Watch6,6 21 June 2023 ? ? ? Release Notes
Security Notes

Watch6,7

Version Build Keys Release Date Download URL SHA1 Hash File Size Documentation
8.0 19R343 Preinstalled
19R346 Watch6,7 20 September 2021 Watch6,7_8.0_19R346_Restore.ipsw b397ef728a96602a388528ed5d5c4c8af5a64476 2,953,106,058 Release Notes
Security Notes
8.0.1 19R354 Watch6,7 11 October 2021 Watch6,7_8.0.1_19R354_Restore.ipsw d495af8e9ab16553496dccbc5726c3c20bc25806 2,953,216,315 Release Notes
8.1 19R570 Watch6,7 25 October 2021 Watch6,7_8.1_19R570_Restore.ipsw 2f828e4ca0986242234daa38a40256a25b1e579d 2,971,925,739 Release Notes
Security Notes
8.3 19S55 Watch6,7 13 December 2021 ? ? ? Release Notes
Security Notes
8.4 19S546 Watch6,7 26 January 2022 ? ? ? Release Notes
Security Notes
8.4.1 19S550 Watch6,7 1 February 2022 Watch6,7_8.4.1_19S550_Restore.ipsw 4969e109da903258c8b33b4a1915100d0b3ea5fb 2,981,528,045 Release Notes
8.4.2 19S553 Watch6,7 10 February 2022 Watch6,7_8.4.2_19S553_Restore.ipsw 577509c71af07699f9db38f332e4cd19b3e61032 2,981,420,967 Release Notes
8.5 19T242 Watch6,7 14 March 2022 Watch6,7_8.5_19T242_Restore.ipsw f5a452076d87316924b10ed90745b47e8dbaabdd 3,004,706,137 Release Notes
Security Notes
8.5.1 19T252 Watch6,7 31 March 2022 Watch6,7_8.5.1_19T252_Restore.ipsw 370d1a10c60ee18b9f0b56e329b623b9078730a0 3,004,580,103 Release Notes
8.6 19T572 Watch6,7 16 May 2022 Watch6,7_8.6_19T572_Restore.ipsw 782ba651bb210d651b838cba6e7c243a0af22369 3,011,572,732 Release Notes
Security Notes
8.7 19U66 Watch6,7 20 July 2022 Watch6,7_8.7_19U66_Restore.ipsw ed7550618629eb45c075b0875dddac7733da2a29 3,010,838,638 Release Notes
Security Notes
8.8.1 19U512 Watch6,7 21 June 2023 ? ? ? Release Notes
Security Notes

Watch6,8

Version Build Keys Baseband Release Date Download URL SHA1 Hash File Size Documentation
8.0 19R343 4.00.00 Preinstalled
19R346 Watch6,8 20 September 2021 Watch6,8_8.0_19R346_Restore.ipsw 01ef2ec55550cda965b7b878978f07fe765d27c1 3,016,260,507 Release Notes
Security Notes
8.0.1 19R354 Watch6,8 11 October 2021 Watch6,8_8.0.1_19R354_Restore.ipsw 1b57d404a4e615de6c619103c5817d2bc45950d3 3,016,237,022 Release Notes
8.1 19R570 Watch6,8 25 October 2021 Watch6,8_8.1_19R570_Restore.ipsw aa0e10e66ce0545a3c83838e25f59cb471fffe02 3,034,895,932 Release Notes
Security Notes
8.1.1 19R580 Watch6,8 18 November 2021 Release Notes
8.3 19S55 Watch6,8 4.01.01 13 December 2021 ? ? ? Release Notes
Security Notes
8.4 19S546 Watch6,8 26 January 2022 ? ? ? Release Notes
Security Notes
8.4.1 19S550 Watch6,8 1 February 2022 Watch6,8_8.4.1_19S550_Restore.ipsw ef764c6a064d00fc0508362e34d7ea895d43e3b3 3,044,332,980 Release Notes
8.4.2 19S553 Watch6,8 10 February 2022 Watch6,8_8.4.2_19S553_Restore.ipsw de73afb4fa3aa6c88390ec0eb2bfeb91fbe1a646 3,044,344,120 Release Notes
8.5 19T242 Watch6,8 4.02.01 14 March 2022 Watch6,8_8.5_19T242_Restore.ipsw 754f1af88b983f641fa92db01d8f8bb7a8da260e 3,067,512,888 Release Notes
Security Notes
8.5.1 19T252 Watch6,8 31 March 2022 Watch6,8_8.5.1_19T252_Restore.ipsw 000a9dd49b00ac3964439dace5ab58da987204e2 3,067,811,297 Release Notes
8.6 19T572 Watch6,8 4.03.01 16 May 2022 Watch6,8_8.6_19T572_Restore.ipsw 5b504bd0bf862380a7716c64d27c5caa5834ed7b 3,074,938,054 Release Notes
Security Notes
8.7 19U66 Watch6,8 20 July 2022 Watch6,8_8.7_19U66_Restore.ipsw 603df7955babeec031bc4b4efbbe99a148d56d09 3,074,078,732 Release Notes
Security Notes
8.8.1 19U512 Watch6,8 21 June 2023 ? ? ? Release Notes
Security Notes

Watch6,9

Version Build Keys Baseband Release Date Download URL SHA1 Hash File Size Documentation
8.0 19R343 4.00.00 Preinstalled
19R346 Watch6,9 20 September 2021 Watch6,9_8.0_19R346_Restore.ipsw a952bbef9990c2df5e58366257c8d72c4ea4d762 3,009,884,526 Release Notes
Security Notes
8.0.1 19R354 Watch6,9 11 October 2021 Watch6,9_8.0.1_19R354_Restore.ipsw 97d5b30cb15f727e56f039bc5bb6b1e297d05724 3,010,008,952 Release Notes
8.1 19R570 Watch6,9 25 October 2021 Watch6,9_8.1_19R570_Restore.ipsw c0b2c025633711a1fa8ed3a8393205ef4fa51d34 3,028,521,725 Release Notes
Security Notes
8.1.1 19R580 Watch6,9 18 November 2021 Release Notes
8.3 19S55 Watch6,9 4.01.01 13 December 2021 ? ? ? Release Notes
Security Notes
8.4 19S546 Watch6,9 26 January 2022 ? ? ? Release Notes
Security Notes
8.4.1 19S550 Watch6,9 1 February 2022 Watch6,9_8.4.1_19S550_Restore.ipsw a474998bf9ff937cbac60021b9f0ff580ddd8281 3,038,056,412 Release Notes
8.4.2 19S553 Watch6,9 10 February 2022 Watch6,9_8.4.2_19S553_Restore.ipsw ae9ad8da6bfdcf88a970ac6a7e75b73f9998517d 3,038,210,358 Release Notes
8.5 19T242 Watch6,9 4.02.01 14 March 2022 Watch6,9_8.5_19T242_Restore.ipsw d984fd042f6f24b8985ae30379bb901781ad3e21 3,060,999,594 Release Notes
Security Notes
8.5.1 19T252 Watch6,9 31 March 2022 Watch6,9_8.5.1_19T252_Restore.ipsw e8f0708e40eeddb328f64e5fdbe943921a5969fd 3,061,120,564 Release Notes
8.6 19T572 Watch6,9 4.03.01 16 May 2022 Watch6,9_8.6_19T572_Restore.ipsw 2cf4ff9920514777269baaef286bc24bd596f05c 3,068,190,672 Release Notes
Security Notes
8.7 19U66 Watch6,9 20 July 2022 Watch6,9_8.7_19U66_Restore.ipsw a0a835cde873495d840860b80bb8033e7f9aa4c3 3,068,321,404 Release Notes
Security Notes
8.8.1 19U512 Watch6,9 21 June 2023 ? ? ? Release Notes
Security Notes