This is my personal OpenCore EFI for my current hackintosh (dual-boot macOS Big Sur 11.2.3 and Windows 10). If you want a guide how to use it in your system or you have any questions please open an issue :)
Generate correct SMBIOS for MacBookPro16,2
using this guide: Generate a new Serial
and replace "YOUR_SERIAL", "YOUR_BOARD_SERIAL", and "YOUR_SMUUID" in the conflig.plist with your MLB, Serial, and SmUUID.
To disable sleep run:
sudo pmset -a sleep 0
sudo pmset -a hibernatemode 0
sudo pmset -a disablesleep 1
By default the 850 G7 has an oversaturated colors. To fix it go to System Preferences -> Displays -> Color, uncheck the "Show profiles for this display only" checkbox and select the "sRGB IEC61966-2.1" display profile.
sudo rm -rf ~/Downloads; sudo ln -s ~/Library/Mobile\ Documents/com~apple~CloudDocs/Downloads/ ~/Downloads
and re-add the Downloads shortcut to the Dock
(with right click you can adjust its appearance so its identical to the old Downloads folder's default look)