Click , turn off your phone, and connect it to the PC while holding Volume Down (or both volume buttons).
Open the scatter file in Notepad++. A verified version will list exactly . If you see 15 partitions, it is a generic dump and will fail. nokia 31 scatter file verified
If your scatter file shows MT6739 and proper partition names ( bootimg , system , userdata ), it’s likely correct. Click , turn off your phone, and connect
Help with flashing stock ROM on Nokia 3.1 (Mediatek MT6750) turn off your phone