After providing big support for Mediatek Phones like Preloader Vcom Usb Drivers with installation guide now i want to tell you how to fix corrupted imei of mtk phones. Of Course there are many ways to achieve this like using MTK65xx.APK ( works on MT6577, MT6513, MT6515, MT6575, MT6517 and need rooted phone ) and with service codes to re write imei , i think sn write tool can do this more easily as there are many newbie users. So just download this Imei write tool and do this on your pc.
SN Write Tool for fixing IMEI of Mediatek Phones ( MTK Phones).
SN Write Tool Compatible with Window PC x32 and x64
Do it with MTK65xx.APK