Qmobile X5 nand dead with SP flash tool

Hey! I received Qmobile X5
Phone was stuck on logo
I formated phone with CM2, no luck
I flashed with SP flash tool and erased phone
Now SP flash runs flashing till 4% and there stuck
Anyone has good idea about nand phones
Please share here
Preloader is still alive
Problem is that flashing not going more than 4%