Sp flash tools can be used to flash stock / custom rom which has scatter file. it comes in handy when trying to unbrick an mtk device. it can also be used to restore your mtk backup.
What you need:
=> Spflashtool. Download HERE.
=> VCom Port drivers. Download HERE.
=> Rom backup.download online or learn how to create it here.
=> your windows PC.
=> usb cord.
Procedure:
=> download and install