December 5, 2025
Apple Firmware

MacBook Air 15-inch (M4)
IPSW Download

Select an MacBook Air 15-inch (M4) firmware version to download. These IPSW links are compatible with model identifier Mac16,13 and model number A3241.
26.1
SIGNED

macOS 26.1

SIGNED
UniversalMac_26.1_25B78_Restore.ipsw
Released: November 3, 2025
Build: 25B78
26.0.1
SIGNED

macOS 26.0.1

SIGNED
UniversalMac_26.0.1_25A362_Restore.ipsw
Released: September 29, 2025
Build: 25A362
26.0
SIGNED

macOS 26.0

SIGNED
UniversalMac_26.0_25A354_Restore.ipsw
Released: September 15, 2025
Build: 25A354
15.6.1
SIGNED

macOS 15.6.1

SIGNED
UniversalMac_15.6.1_24G90_Restore.ipsw
Released: August 20, 2025
Build: 24G90
15.6
SIGNED

macOS 15.6

SIGNED
UniversalMac_15.6_24G84_Restore.ipsw
Released: July 29, 2025
Build: 24G84
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