Calme Spark S24 Mtk6572 Factory Scatter Flash File / Firmware MT6572__SPARK__SPARK_S24__S24__4.4.2__ALPS.KK1.MP7.V1 Mega link to get this file click on download button If display fault try this file Note : First take backup of phone then write this file without preloader Once again highly recomend ,to be write without preloader.