iOS 新版真机系统sdk(iPhone)下载地址

https://github.com/filsv/iPhoneOSDeviceSupport

Xcode iPhoneOS DeviceSupport (6.0 - 13.1 (17A5821e))

Update: To get iOS 13.1 (****) works try to rename a folder from this "13.1 (17A5821e)" to "13.1 (needed version)" eg. "13.1 (17A5844a)".

Device Support files for Xcode, from iOS 6, up to 13.1 (17A5821e).

How to:

1. Download version you need listed above;
2. Unzip it;
3. Close Xcode;
4. Copy and paste unziped folder by path: "/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport/"

hierarchy like this:

Reopen Xcode;