EFI upgrade instructions are given here.
If System Settings does not show OEM updates, go to App Store and search Sequoia (or newer macOS).
If OEM update fails, make sure SecureBootModel is Disabled and/or reset NVRAM and perform the update.
2025-06-15
Supported macOS Version: 10.15, 11, 12, 13, 14, 15
Support for macOS 26 (Tahoe) is UNTESTED. acidanthera/bugtraker shows reports of unbootable FileVault volumes acidanthera/bugtracker#2499.
Intel Wi-Fi is NOT supported on macOS 15+ (Sequoia+). Try itlwm + HeliPort or Ventura kext + OCLP (risky)
Upgrade
- Update
OpenCore
v1.0.5 (up to acidanthera/OpenCorePkg@e8437f7) to support macOS26.0 beta 1 (25A5279m) - Update
Clover
r5162 to support macOS26.0 beta 1 (25A5279m) - Update
Lilu
v1.7.1 (up to acidanthera/Lilu@dc01cb5) to support macOS26.0 beta 1 (25A5279m) - Update
VirtualSMC
v1.3.7 (up to acidanthera/VirtualSMC@dbd1ae1) to support macOS26.0 beta 1 (25A5279m) - Update
AppleALC
v1.9.5 (up to acidanthera/AppleALC@aed10e1) to support macOS26.0 beta 1 (25A5279m) - Update
WhateverGreen
v1.7.0 (up to acidanthera/WhateverGreen@3251496) to support macOS26.0 beta 1 (25A5279m) - Update
HibernationFixup
v1.5.4 (up to acidanthera/HibernationFixup@99c056d) to support macOS26.0 beta 1 (25A5279m) - Update
RestrictEvents
v1.1.6 (up to acidanthera/RestrictEvents@3ff8491) to support macOS26.0 beta 1 (25A5279m) - Update
BrcmPatchRAM
v2.7.1 (up to acidanthera/BrcmPatchRAM@3ad0963) to support macOS26.0 beta 1 (25A5279m) - Update
NullEthernet
v1.0.8 and change source from RehabMan/OS-X-Null-Ethernet to stevezhengshiqi/OS-X-Null-Ethernet, due to that RehabMan/OS-X-Null-Ethernet Bitbucket no longer supports downloads
Change
- KBL: Add
-no_compat_check
boot-args to support macOS26 Tahoe asMacBookPro15,4
is removed from macOS26 Tahoe model support list