iPhone_4.7_15.3_19D50_Restore.ipsw
iOS 15.0 (19A346)
iOS 13.3.1 (17D50) for iPhone 6s+
iPadOS 13.5.1 (17F80) for iPad Pro (10.5-inch, Cellular)
0x800f081f 【外部リンク】 https://learn.microsoft.com/ja-jp/troubleshoot/windows-client/application-management/dotnet-framework-35-install...