iPad mini (Model A1455 WiFi+4G+CDMA)：苹果官方下载
http://appldnld.apple.com/ios8.2/031-06532-20150309-D4DE01AE-C1FE-11E4-8650-2E803780E501/iPad2,7_8.2_12D508_Restore.ipsw

iPad 3

iPad 3 (Model A1416 WiFi)：苹果官方下载
http://appldnld.apple.com/ios8.2/031-06581-20150309-D4DE0EBA-C1FE-11E4-8B45-52803780E501/iPad3,1_8.2_12D508_Restore.ipsw

iPad 3 (Model A1403 WiFi + Cellular)：苹果官方下载
http://appldnld.apple.com/ios8.2/031-06586-20150309-D4DDA204-C1FE-11E4-B4E8-54803780E501/iPad3,3_8.2_12D508_Restore.ipsw

iPad 3 (Model A1430 WiFi + Cellular+CDMA)：苹果官方下载
http://appldnld.apple.com/ios8.2/031-06550-20150309-D4DC3270-C1FE-11E4-86A4-39803780E501/iPad3,2_8.2_12D508_Restore.ipsw

iPad2