Downgrade From High Sierra to Sierra

[Matteo1998Roma]

Hi everyone, i updated my hackintosh from sierra to high. Due to performance issue i want to restore sierra from a USB Backup i made with CCC. How can i do that? How to return to HFS+ from APFS? thanks

 

[flaturtha]

Did you figure out how to downgrade? I'm having graphics glitch issues due to my GTX 660 GPU and need roll back to Sierra to as well.