Mac· IPSW RESTORE

Mac Studio (M5 Ultra)

Mac17,15

Catalog data · Last updated: Oct 21, 2026, 5:10 PM UTC

Choose an IPSW version for Mac Studio (M5 Ultra) (Mac17,15) and check its signing status before downloading.

This is Mac restore firmware, not a regular macOS installer. The restore steps depend on the model.

Firmware list

Device / VersionSigning statusSizeRelease date

Mac Studio (M5 Ultra)

macOS 27.0.1 26A434

Signed

24.81 GB9/28/2026

Mac Studio (M5 Ultra)

macOS 27.0 26A428

Signed

24.8 GB9/14/2026