Apple iOS 8.1 韌體下載點
蘋果產品背蓋可察看到 Model 型號 , 察看後再下載相對應型號的韌體

iPad 8.1 韌體：

iPad Air 2 Wi-Fi
http://appldnld.apple.com/iOS8.1/031...0_Restore.ipsw
iPad Air 2 Wi-Fi + Cellular
http://appldnld.apple.com/iOS8.1/031...0_Restore.ipsw
iPad mini 3 (Model A1599)
http://appldnld.apple.com/iOS8.1/031...0_Restore.ipsw
iPad mini 3 (Model A1600)
http://appldnld.apple.com/iOS8.1/031...0_Restore.ipsw
iPad mini 3 (Model A1601)
http://appldnld.apple.com/iOS8.1/031...0_Restore.ipsw
iPad Air (Model A1474)
http://appldnld.apple.com/iOS8.1/031...0_Restore.ipsw
iPad Air (Model A1475)
http://appldnld.apple.com/iOS8.1/031...0_Restore.ipsw
iPad Air (Model A1476)
http://appldnld.apple.com/iOS8.1/031...0_Restore.ipsw
iPad mini 2 (Model A1489)
http://appldnld.apple.com/iOS8.1/031...0_Restore.ipsw
iPad mini 2 (Model A1490)
http://appldnld.apple.com/iOS8.1/031...0_Restore.ipsw
iPad mini 2 (Model A1491)
http://appldnld.apple.com/iOS8.1/031...0_Restore.ipsw
iPad (4th generation Model A1458)
http://appldnld.apple.com/iOS8.1/031...0_Restore.ipsw
iPad (4th generation Model A1459)
http://appldnld.apple.com/iOS8.1/031...0_Restore.ipsw
iPad (4th generation Model A1460)
http://appldnld.apple.com/iOS8.1/031...0_Restore.ipsw
iPad mini (Model A1432)
http://appldnld.apple.com/iOS8.1/031...0_Restore.ipsw
iPad mini (Model A1454)
http://appldnld.apple.com/iOS8.1/031...0_Restore.ipsw
iPad mini (Model A1455)
http://appldnld.apple.com/iOS8.1/031...0_Restore.ipsw
iPad Wi-Fi 3rd generation
http://appldnld.apple.com/iOS8.1/031...0_Restore.ipsw
iPad Wi-Fi + Cellular (model for ATT)
http://appldnld.apple.com/iOS8.1/031...0_Restore.ipsw
iPad Wi-Fi + Cellular (model for Verizon)
http://appldnld.apple.com/iOS8.1/031...0_Restore.ipsw
iPad 2 Wi-Fi
http://appldnld.apple.com/iOS8.1/031...0_Restore.ipsw
iPad 2 Wi-Fi (Rev A)
http://appldnld.apple.com/iOS8.1/031...0_Restore.ipsw
iPad 2 Wi-Fi + 3G (GSM)
http://appldnld.apple.com/iOS8.1/031...0_Restore.ipsw
iPad 2 Wi-Fi + 3G (CDMA)
http://appldnld.apple.com/iOS8.1/031...0_Restore.ipsw

iPhone 8.1 韌體：

iPhone 6
http://appldnld.apple.com/iOS8.1/031...1_Restore.ipsw
iPhone 6 Plus
http://appldnld.apple.com/iOS8.1/031...1_Restore.ipsw
iPhone 5s (Model A1453, A1533)
http://appldnld.apple.com/iOS8.1/031...1_Restore.ipsw
iPhone 5s (Model A1457, A1518, A1528, A1530)
http://appldnld.apple.com/iOS8.1/031...1_Restore.ipsw
iPhone 5c (Model A1456, A1532)
http://appldnld.apple.com/iOS8.1/031...1_Restore.ipsw
iPhone 5c (Model A1507, A1516, A1526, A1529)
http://appldnld.apple.com/iOS8.1/031...1_Restore.ipsw
iPhone 5 (Model A1428)
http://appldnld.apple.com/iOS8.1/031...1_Restore.ipsw
iPhone 5 (Model A1429)
http://appldnld.apple.com/iOS8.1/031...1_Restore.ipsw
iPhone 4s
http://appldnld.apple.com/iOS8.1/031...1_Restore.ipsw

iPod touch 8.1 韌體：

iPod touch (5th generation)
http://appldnld.apple.com/iOS8.1/031...1_Restore.ipsw