![Xcode 26.3: The developer disk picture couldn’t be mounted on this machine [duplicate]](https://i2.wp.com/i.sstatic.net/Ix7fztVW.png?w=1920&resize=1920,595&ssl=1 "Xcode 26.3: The developer disk picture couldn’t be mounted on this machine [duplicate]")
I’ve upgraded to Xcode 26.3 and connecting my iPhone(iOS 26.X) for debug in Xcode.
I’m dealing with problem is like beneath.
The developer disk picture couldn’t be mounted on this machine.
Earlier preparation error: The developer disk picture couldn’t be mounted on this machine.; Unable to discover a legitimate DDI for the iOS platform. Run ‘devicectl checklist preferredDDI’ from the command line to get extra particulars on why no legitimate DDI could be discovered.
Kindly assist me to repair this problem. I’ve tried a number of resolution which is offered on web together with a number of time uninstall and set up of Xcode by means of AppStore and DMG.
Additionally tried with my one other MacBook however dealing with similar problem.
Attaching one screenshot for extra particulars.
![Xcode 26.3: The developer disk picture couldn’t be mounted on this machine [duplicate]](https://i.sstatic.net/Ix7fztVW.png "Xcode 26.3: The developer disk picture couldn’t be mounted on this machine [duplicate]")
