The IOReg file you posted earlier shows that USB ports HS11 and HS12 are missing. Bluetooth connects to one of these ports, therefore Bluetooth will not work until we fix this problem. The USB SSDT looks correct so I think it's necessary to switch to
iMac19,1. After installing the modified EFI folder that I provided, please run
IORegistryExplorer once again and upload the file (
File --> Save As...).
Please see this thread for the problem seen in screenshot:
I installed Mojave 10.14 to the HFS+ partition on my laptop. I want to upgrade to 10.14.3, So I converted the partition to APFS and added the driver apfsdriverloader.efi to the Clover directory. Now the screen will show a lot of the following information before enter Clover UI: BlockSize...
www.tonymacx86.com
Edit: Also try the slightly modified
config.plist attached here.