1.下载iOSOpenDev_Patches.
2.把Specifications1文件夹重命名为Specifications放到:
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Xcode/
3.把Specifications2文件夹重命名为Specifications放到:
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/Library/Xcode/
4.把usr3重命名为usr放到:
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/
5.开始安装.