(13-12-2016, 08:18 PM)hovatek When you get to the Android with the red triangle, press Power then Volume increase and release both at the same time
Yes, I later found this out and have been able to reset the phone now. Thanks so much.
You should know though that the kernel version and build(X551-G808-A1-L-20160325) of this still reads almost same as that of the previous custom ROM, only the dates changed. And the system update still reads "Your system in the latest version". So it seems this is a custom as well....??