1. Format data to remove data encryption in TWRP
2. Wipe all
3. Reboot to download mode to reflash the recovery img file.
4. Flash Havoc 3.8
5. Flash PhhMagisk
6. I am not select that install TWRP into os, choose install TWRP later.
7. Resize file system (NOT wipe system)
8. Restart
9. Done