It's working on kate. Here is what to do to successfully boot it on kate.
Download the rom
Download the 7.6.8 firmware for kate / latest developer's rom
Copy the NON-HLOS.bin file from kate firmware
Extract the epic rom and open the firmware folder
Replace the existing NON-HLOS.bin with the one you copy.
Zip the rom and flash.
I did the above and my Kate booted and works fine.
Led light works
WiFi and data
Camera works both front and back with the patch I got from the telegram group.
The next step is to try supersu or magisk and see if it works
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