要是打算通过电脑进行升级 iPhone 或 iPad 系统，可以利用本篇提供的苹果官方 iPadOS 17.6 和 iOS 17.6 iPSW 固件下载，并搭配 iTunes / Finder 进行升级。
iOS 17.6 iPSW 更新官方下载点 （ipsw download）
iPhone 15 Pro Max：https://updates.cdn-apple.com/2024SpringFCS/fullrestores/062-05185/BAE7DE43-0DFC-475A-9738-28B9E82E9B84/iPhone16,2_17.5.1_21F90_Restore.ipsw
iPhone 15 Pro：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-44427/AAD7E9EB-A420-4BF0-8A8F-D26B7CEEE454/iPhone16,1_17.6_21G80_Restore.ipsw
iPhone 15 Plus：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-44997/389D1F9F-A18E-4445-821E-6324C2BEBF79/iPhone15,5_17.6_21G80_Restore.ipsw
iPhone 15：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-44833/5BB09759-8957-4703-B674-8A9105D68566/iPhone15,4_17.6_21G80_Restore.ipsw
iPhone 14 Pro Max：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-44958/7D4F80A6-1518-4811-B34F-319D60B48241/iPhone15,3_17.6_21G80_Restore.ipsw
iPhone 14 Pro：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-44653/40295144-CB7F-4D77-81D7-71D93D5C2B31/iPhone15,2_17.6_21G80_Restore.ipsw
iPhone 14：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-45084/F98DAB5D-D5FC-4D0D-A54B-17056319CFBA/iPhone14,7_17.6_21G80_Restore.ipsw
iPhone 14 Plus：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-44809/B7E14B64-BA22-4113-8150-BF6E65FAF34B/iPhone14,8_17.6_21G80_Restore.ipsw
iPhone 13 Pro Max：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-44462/E4697E86-B4B7-4C2B-BF52-D63DDAB461A5/iPhone14,3_17.6_21G80_Restore.ipsw
iPhone 13 Pro：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-44343/4089E931-0CF1-4707-A76C-7BD5F4E8EC31/iPhone14,2_17.6_21G80_Restore.ipsw
iPhone 13 mini：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-44699/143EDE3C-4509-4FA9-99F0-79E23CBB59F8/iPhone14,4_17.6_21G80_Restore.ipsw
iPhone 13：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-44681/8B458892-A20C-4BB2-81AB-DDF1C6C30601/iPhone14,5_17.6_21G80_Restore.ipsw
iPhone 12：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-44250/81735E7A-6B9B-44BC-9648-694BB7861FFB/iPhone13,2,iPhone13,3_17.6_21G80_Restore.ipsw
iPhone 12 Pro：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-44250/81735E7A-6B9B-44BC-9648-694BB7861FFB/iPhone13,2,iPhone13,3_17.6_21G80_Restore.ipsw
iPhone 12 mini：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-44483/557C8341-0CD0-408A-ACF5-E71125E7B75C/iPhone13,1_17.6_21G80_Restore.ipsw
iPhone 12 Pro Max：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-44450/12490068-F67E-44B8-95D7-0ADE4933FA0C/iPhone13,4_17.6_21G80_Restore.ipsw
iPhone 11 Pro Max：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-44763/CDD905B0-CCC8-4241-8FA3-5AD225EA5197/iPhone12,3,iPhone12,5_17.6_21G80_Restore.ipsw
iPhone 11 Pro：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-44763/CDD905B0-CCC8-4241-8FA3-5AD225EA5197/iPhone12,3,iPhone12,5_17.6_21G80_Restore.ipsw
iPhone XS Max：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-43801/01B35BA5-CB5F-4FFB-9DE4-79478A1D2657/iPhone11,8_17.6_21G80_Restore.ipsw
iPhone XS：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-44429/7004C340-47E3-4C52-B257-C089E76558DC/iPhone11,2,iPhone11,4,iPhone11,6_17.6_21G80_ Restore.ipsw
iPhone 11：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-45410/110468CB-8F4F-4C66-B490-08B16BAD7863/iPhone12,1_17.6_21G80_Restore.ipsw
iPhone XR：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-43801/01B35BA5-CB5F-4FFB-9DE4-79478A1D2657/iPhone11,8_17.6_21G80_Restore.ipsw
iPhone SE 2 代：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-45413/A8F2E2D5-DC1E-433D-904E-FE1AFD9CD218/iPhone12,8_17.6_21G80_Restore.ipsw
iPhone SE 3代：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-45055/27FE5A0E-D166-4D90-8093-55B089776AAD/iPhone14,6_17.6_21G80_Restore.ipsw
iPadOS 17.6 iPSW官方下载点 （ipsw download）
iPad Pro 13寸 7代 – 2024年款：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-44262/F61E2518-EABD-4619-96C3-36B67EF866A5/iPad_Pro_M4_17.6_21G80_Restore.ipsw
iPad Pro 12.9寸 2代 – 2017年款：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-45048/30D16E09-E54A-4C11-893B-99F24631250D/iPad_Pro_HFR_17.6_21G80_Restore.ipsw
iPad Pro 12.9寸 3代 – 2018年款：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-45351/755ED4E9-FB42-4221-A5A7-852C4FFBCFD6/iPad_Pro_A12X_A12Z_17.6_21G80_Restore.ipsw
iPad Pro 12.9寸 4代 – 2020年款：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-45351/755ED4E9-FB42-4221-A5A7-852C4FFBCFD6/iPad_Pro_A12X_A12Z_17.6_21G80_Restore.ipsw
iPad Pro 12.9寸 5代 – 2021年款：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-44082/07F2AB06-81BB-4084-B34E-5826A89BE870/iPad_Pro_Spring_2021_17.6_21G80_Restore.ipsw
iPad Pro 12.9寸 6代 – 2024年款：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-45427/B9DB37C4-7A8E-43A7-B782-A3566B58F4F7/iPad14,3,iPad14,4,iPad14,5,iPad14,6_17.6_21G80_Restore.ipsw
iPad Pro 11寸 5代– 2024年款：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-44262/F61E2518-EABD-4619-96C3-36B67EF866A5/iPad_Pro_M4_17.6_21G80_Restore.ipsw
iPad Pro 11寸 4代– 2022年款：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-45427/B9DB37C4-7A8E-43A7-B782-A3566B58F4F7/iPad14,3,iPad14,4,iPad14,5,iPad14,6_17.6_21G80_Restore.ipsw
iPad Pro 11寸 3代– 2021年款：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-44082/07F2AB06-81BB-4084-B34E-5826A89BE870/iPad_Pro_Spring_2021_17.6_21G80_Restore.ipsw
iPad Pro 11寸 2代– 2020年款：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-45351/755ED4E9-FB42-4221-A5A7-852C4FFBCFD6/iPad_Pro_A12X_A12Z_17.6_21G80_Restore.ipsw
iPad Pro 11寸 1代– 2018年款：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-45351/755ED4E9-FB42-4221-A5A7-852C4FFBCFD6/iPad_Pro_A12X_A12Z_17.6_21G80_Restore.ipsw
iPad Pro 10.5寸：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-45048/30D16E09-E54A-4C11-893B-99F24631250D/iPad_Pro_HFR_17.6_21G80_Restore.ipsw
iPad 10 –10.2寸– 2022年款：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-44481/1B53DD36-64FF-414B-8C1D-1B30029D7EA7/iPad_Fall_2022_17.6_21G80_Restore.ipsw
iPad 9 –10.2寸– 2021年款：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-44814/DF04C3A7-5107-4760-8B9D-BE1460DBA986/iPad_10.2_2021_17.6_21G80_Restore.ipsw
iPad 8 –10.2寸– 2020年款：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-43790/416888C4-EB96-44D6-A7E0-B4E47F99C727/iPad_10.2_2020_17.6_21G80_Restore.ipsw
iPad 7 –10.2寸–2019年款：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-43790/416888C4-EB96-44D6-A7E0-B4E47F99C727/iPad_10.2_2020_17.6_21G80_Restore.ipsw
iPad 6 – 9.7寸– 2018年款：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-45420/D6A9BA6B-2F94-42DD-B010-C1C98265F870/iPad_64bit_TouchID_ASTC_17.6_21G80_Restore.ipsw
iPad Air 13寸 – 2024年款：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-45314/9ED05435-9FD2-48A8-AEA6-BB3061C9D407/iPad_Air_M2_17.6_21G80_Restore.ipsw
iPad Air 6 – 2024年款：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-45314/9ED05435-9FD2-48A8-AEA6-BB3061C9D407/iPad_Air_M2_17.6_21G80_Restore.ipsw
iPad Air 5 – 2022年款：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-44771/4617492E-D4B6-47C3-95F8-D80DE2B3FF90/iPad_Spring_2022_17.6_21G80_Restore.ipsw
iPad Air 4 – 2020年款：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-44418/270FF298-182A-4589-B4E3-82CD0CC54F28/iPad_Fall_2020_17.6_21G80_Restore.ipsw
iPad Air 3 – 2019年款：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-44715/02A96FD3-94CA-4AC5-AF8F-FE20A2DBADC3/iPad_Spring_2019_17.6_21G80_Restore.ipsw
iPad mini 6 – 2021年款：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-45399/F100DE02-E402-4320-9792-F09779A922BE/iPad_Fall_2021_17.6_21G80_Restore.ipsw
iPad mini 5 – 2019年款：https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-44715/02A96FD3-94CA-4AC5-AF8F-FE20A2DBADC3/iPad_Spring_2019_17.6_21G80_Restore.ipsw
如何通过电脑iTunes更新iOS 17.6、iPadOS 17.6方法
下载 iPSW 文件
将 iPhone 或 iPad 设备利用传输线链接到电脑（Mac或Windows）
并执行 iTunes / Finder （macOS）
按住键盘「Shift」键不放点选「更新」按钮，如果是macOS用户按压「alt」键
即可点击刚下载好的iPSW文件进行更新 iOS / iPadOS 系统
