Some M3 MacBook Pro and iMac Users Unable to Update to macOS Sonoma Due to Outdated OS Version

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Early adopters of the 14-inch M3 MacBook Pro are experiencing an issue where some units do not allow the installation of Apple's latest operating system, macOS Sonoma.

Some MacBook Pros came with an outdated OS- macOS Ventura, and users found macOS Ventura 13.5 listed as the latest version when attempting to update through the System Settings app.

Not only in MacBook Pros, but the same issue is observed in recent 24-inch M3 iMac, while updating operating system.

When attempts to update through the Mac App Store result in error messages, such as "The requested version of macOS is not available."

Image credit: @ZONEofTECH

The issue has been reported by Daniel Rotar (@ZONEofTECH) on X platform (formerly twitter)- "Something weird"

Although the problem can be resolved by downloading the Install Assistant for the M3 version of macOS Sonoma 14.1, it is considered an unusual issue

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The issue seems to affect only the M3 version of the MacBook Pro and the M3 version of the iMac, not the higher-end versions powered by M3 Pro and M3 Max chips.

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Researchers are pointing to the macOS Ventura version on these malfunctioning Macs as a sign that they might have been sitting in a warehouse since July 2023.