EFI upgrade instructions are given here.
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, 26 (OpenCore Only)
OpenCore version supports macOS 26.0 beta 1 (25A5279m). On macOS 26.0 beta 1 (25A5279m), acidanthera/bugtraker has reports of unbootable FileVault volumes acidanthera/bugtracker#2499. On macOS 26.0 beta 2 (25A5295e), acidanthera/bugtraker has reports of no sound due to dropped AppleHDA acidanthera/bugtracker#2501.
For macOS 26+ with OpenCore, FileVault 2 needs to be disabled; otherwise, config.plist - JumpStart should be disabled and apfs_aligned.efi needs to be added, see acidanthera/bugtracker#2499.
Intel Wi-Fi is NOT supported on macOS 15+ (Sequoia+). Try itlwm + HeliPort or Ventura kext + OCLP (risky)
Upgrade
- Update
OpenCorev1.0.5 (up to acidanthera/OpenCorePkg@e8437f7) to support macOS26.0 beta 1 (25A5279m) - Update
Cloverr5162 to support macOS26.0 beta 1 (25A5279m) - Update
Liluv1.7.1 (up to acidanthera/Lilu@dc01cb5) to support macOS26.0 beta 1 (25A5279m) - Update
VirtualSMCv1.3.7 (up to acidanthera/VirtualSMC@dbd1ae1) to support macOS26.0 beta 1 (25A5279m) - Update
AppleALCv1.9.5 (up to acidanthera/AppleALC@aed10e1) to support macOS26.0 beta 1 (25A5279m), but NOT support macOS 26.0 beta 2 (25A5295e) due to droppedAppleHDA - Update
WhateverGreenv1.7.0 (up to acidanthera/WhateverGreen@3251496) to support macOS26.0 beta 1 (25A5279m) - Update
HibernationFixupv1.5.4 (up to acidanthera/HibernationFixup@99c056d) to support macOS26.0 beta 1 (25A5279m) - Update
RestrictEventsv1.1.6 (up to acidanthera/RestrictEvents@3ff8491) to support macOS26.0 beta 1 (25A5279m) - Update
BrcmPatchRAMv2.7.1 (up to acidanthera/BrcmPatchRAM@3ad0963) to support macOS26.0 beta 1 (25A5279m) - Update
NullEthernetv1.0.8 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_checkboot-args to support macOS26 Tahoe asMacBookPro15,4is removed from macOS26 Tahoe model support list