Please Note: This is an Untested build. Please try at your own risk.
Just installed the ROM. Working perfect so far. My WiFi Mac address is now back to the original number (see also Wifi not connecting at work (PEAP method, MSCHAPV2 verification)). So, my WiFi at work is working again. Great!!! Many thanks!
maybe problem was with your firmware, you flash /e/ oreo from miui pie?
I flashed /e/ Oreo from Miui Oreo. Now I flashed /e/ Pie from Miui Pie. So same recipe …
Download /e/ Pie
Download TWRP 3.3.1 for Chiron
Download Miui Pie (MIUI Stable V10.4.1.0)
Flash Miui Stable V10.4.1.0
Well, all steps you done are right, so i dont know why threre was Mac addres problem.
My guess was: Link: https://forum.xda-developers.com/showthread.php?t=2121151
Maybe you did it correct as rom-builder …
Shares will expire by the end of april '20.
Pie ROM need MIUI firmware 9.5.16 or newer (TZ BF.4.0.6-00178).