Go to the menu -> Connection and set the connection mode to UART instead of USB (matching the COM port assigned by the bypass script). Load your device's correct scatter file.
This guide provides a verified walkthrough on using SP Flash Tool for MT67xx devices, troubleshooting common errors, and ensuring a successful flash. Understanding MT67xx Architecture sp flash tool support mt67xx verified
Do not download SP Flash Tool from random blogspot links. Only two sources offer the verified MT67xx driver set: Go to the menu -> Connection and set