Prerequisite To Flash Q-mobile S9 Mt6592 :-
Download Newest SP Flash Tool is very useful utility for fixing soft brick or Update cases especially for the MediaTek Phones. You could flash Stock or Custom Rom,s of your choice .
Download Mediatek Usb Vcom Drivers.
Download Qmobile S9 MT6592 Stock Rom Flash Files.
Follow Detailed Instruction MTK Phones Flashing With Sp Flash Tool.