Im gonna report a weird bug. But 1st of all, I did the clean installation from stock rom hundred times 100% exactly as in OP, so dun tell me like i haven't done or read it.
Right after flashing rom+hotfix at FIRST time then reboot, I got stuck at android robot screen. I left the phone whole nite but it still got stuck. After that, I found out the way to make it boot by flashing DoomKernel. Then I followed the OP such as install rom again, reboot (got stuck, have to flash kernel again), wait 2-3 mins, flash Main_Patch, flash DoomKernel blablabla...
And the result, Rom works smootly and fast but this V9 cannot recognize my SD card anymore
. I always get this issue on stock rom but not ever with Fera roms v4,v5,..,v8. I tried to delete Android folder on SD card as Fera's shown but it's not better. I did not install any apps after installing rom.
Fera: if you have time, please look at this. If not, I go back to great V8