Thank you for taking the time to put all the steps clearly and providing the files. I wish y'all a good weekend. ?On a fresh installed firmware...
Unlock botloader
Debug usb
Flash Twrp by Odin
Format data
Flash OrangeFox 10.1 a7y18lte SAR by Twrp
Format data
Restarted in recovery (no normal reboot!)
Flash magisk 20.4 from recovery Orangefox
Flash Disable_Dm-Verity_ForceEncrypt_03.04.2020 from recovery
Reboot normal
This method is valid for the A750F but should also work for the A750G