Can't Update to the macOS 15.4 RC? Here's Why

Some Mac users who person an M4 MacBook Air oregon M4 Max/M3 Ultra Mac Studio are incapable to update to the latest macOS 15.4 beta that came retired today, according to complaints connected Reddit.


Multiple radical person reported that attempting to download and instal the macOS 15.4 merchandise campaigner results successful an mistake message. "macOS could not beryllium downloaded. Make definite you're connected to the net and effort again, oregon interaction Apple enactment for assistance," reads the error.

It turns retired that Apple failed to supply the due decryption cardinal for the M4 ‌MacBook Air‌ and ‌Mac Studio‌ models to instal the update. Apple encrypts its bundle updates and a server-side decryption cardinal is required for installation. The cardinal for caller Macs is not disposable from Apple's bundle server astatine this time.

If you person 1 of the caller Macs that's moving the bundle that it came with erstwhile it arrived, you won't beryllium capable to update to the macOS Sequoia 15.4 merchandise campaigner until Apple fixes the issue.

This occupation volition not impact caller ‌MacBook Air‌ and ‌Mac Studio‌ models that were antecedently moving macOS 15.4 beta 4, arsenic these machines tin instal the merchandise candidate.
This article, "Can't Update to the macOS 15.4 RC? Here's Why" archetypal appeared connected MacRumors.com

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