EFI upgrade instructions are given here.
If System Settings does not show OEM updates, go to App Store and search Sonoma (or newer macOS).
If OEM update fails, make sure SecureBootModel is Disabled and/or reset NVRAM and perform the update.
2024-11-01
Supported macOS Version: 10.15, 11, 12, 13, 14, 15
Intel Wi-Fi is NOT supported on macOS 15 (Sequoia). Try itlwm + HeliPort or Ventura kext + OCLP (risky)
Upgrade
- Update
OpenCore
v1.0.3 (up to acidanthera/OpenCorePkg@6fb63d4) - Update
AppleALC
v1.9.3 (up to acidanthera/AppleALC@dfeb479) - Update
VoodooPS2
v2.3.7 (up to acidanthera/VoodooPS2@bdbf806)
OC
- Update
MaxKernel
for kexts that are compatible with macOS Sequoia