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.
2024-12-03
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 - Update
Lilu
v1.7.0 - Update
VirtualSMC
v1.3.5 (up to acidanthera/VirtualSMC@4be2a60) - Update
AppleALC
v1.9.3 - Update
WhateverGreen
v1.6.9 - Update
VoodooI2C
v2.9.1