How To Format MTK 6573,75,77 And All Android

How To Format Mtk6573,75,77 And All Android Mobile Phone 1- open volcano -> mtk 2- select boot 7.1216 OR 7.13043- Tick read info4- Tick usb mode5- Insert battery into phone6- Press Run button 7- inset usb cable There is some boot keys for these Android phones Some phones you need to press and hold these keys before plug usb cable Vol + Vol -Vol + and Vol -Camera keyVol - and power button Vol +