How to Fix "This iPhone xx is running iOS 13.3.1 (17D50), which may not be supported by this version of Xcode."
13.3.1 = iOS version number
(17D50) = build number
- Step 1: Download iOS version 13.3.1 (17D50) from github
- Step 2: Unzip downloaded file
- Step 3: Close Xcode
- Step 4: Go to Application Folder and Find Xcode;
- Step 5: Right click on Xcode and click on "Show Package Content";
- Step 6: Then, go to Contents -> Developer -> Platforms -> iPhoneOS.platforms -> DeviceSupport
- Step 7: Now, drag and drop the updates device support file to the old Xcode Device support folder and restart the Xcode. This should have fixed the error