Hy ,this is stock rom last for I-INN Smartlet Six mtk 6572  please read thanks

For flash it use sp flash tools , open it then go in scatter file select to folder download , then uncheck all if you want only install system and check only system and boot if necessary ,after that select up bar sp flash tools da dl with check sum, power off the phone , remove battery, reinsert it ,press download to sp flash tools and then connect the phone ,if you see red bar is start to flash it ,if not ,disconect wait 2 minut and connect ,if not see anything you need install driver mtk 65xx , when you connect the phone go in device manager windows and see is very fast unknow device or va vom device sam that press very fast right click and go in directory driver and update it or manualy .thats is.for any problem contact private.