August 28, 2026
Apple Firmware

MacBook Air 15-inch (M5)
IPSW Download

Select an MacBook Air 15-inch (M5) firmware version to download. These IPSW links are compatible with model identifier Mac17,4 and model number A3448.
26.6.2
SIGNED

macOS 26.6.2

SIGNED
UniversalMac_26.6.2_25G83_Restore.ipsw
Released: August 17, 2026
Build: 25G83
26.6.1
SIGNED

macOS 26.6.1

SIGNED
UniversalMac_26.6.1_25G76_Restore.ipsw
Released: August 6, 2026
Build: 25G76
26.6
SIGNED

macOS 26.6

SIGNED
UniversalMac_26.6_25G72_Restore.ipsw
Released: July 27, 2026
Build: 25G72
26.5.2
SIGNED

macOS 26.5.2

SIGNED
UniversalMac_26.5.2_25F84_Restore.ipsw
Released: June 29, 2026
Build: 25F84
26.5.1
SIGNED

macOS 26.5.1

SIGNED
UniversalMac_26.5.1_25F80_Restore.ipsw
Released: June 1, 2026
Build: 25F80
26.5
SIGNED

macOS 26.5

SIGNED
UniversalMac_26.5_25F71_Restore.ipsw
Released: May 11, 2026
Build: 25F71
26.4.1
SIGNED

macOS 26.4.1

SIGNED
UniversalMac_26.4.1_25E253_Restore.ipsw
Released: April 9, 2026
Build: 25E253
26.4
SIGNED

macOS 26.4

SIGNED
UniversalMac_26.4_25E246_Restore.ipsw
Released: March 24, 2026
Build: 25E246
26.3.1
SIGNED

macOS 26.3.1

SIGNED
UniversalMac_26.3.1_25D2128_Restore.ipsw
Released: March 4, 2026
Build: 25D2128