June 23, 2025
Apple Firmware

Mac Studio (M4 Max)
IPSW Download

Select an Mac Studio (M4 Max) firmware version to download. These IPSW links are compatible with model identifier Mac16,9 and model number A3143.
15.5
SIGNED

macOS 15.5

SIGNED
UniversalMac_15.5_24F74_Restore.ipsw
Released: May 12, 2025
Build: 24F74
15.4.1
SIGNED

macOS 15.4.1

SIGNED
UniversalMac_15.4.1_24E263_Restore.ipsw
Released: April 16, 2025
Build: 24E263
15.4
SIGNED

macOS 15.4

SIGNED
UniversalMac_15.4_24E248_Restore.ipsw
Released: March 31, 2025
Build: 24E248
15.3.2
SIGNED

macOS 15.3.2

SIGNED
UniversalMac_15.3.2_24D2082_Restore.ipsw
Released: March 11, 2025
Build: 24D2082