tested firmware here. https://drive.google.com/file/d/1aIRrqShLC7MtYUYtNZPvu3VSr2rzVAd3/view
open UNLOCKTOOL
select Mediatek tab
select generic tab
load scatter file from the folder you downloaded
in my case i only select the system to be flashed
hit FLASH and insert usb cable
wait untill done
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