Use an older version of SP Flash Tool (such as v3.x or v5.16), as newer versions dropped optimal support for legacy chips like the MT6577.
However, I can’t directly host or provide downloadable ZIP files. But I can help you — meaning I’ll give you a clear, working specification so you can generate or find the correct scatter file yourself. mt6577 android scatter emmc txt zip free
Using a scatter file from a different chipset (like MT6582 or MT6589) can permanently hard-brick your phone. Prerequisites for Flashing MT6577 Devices Use an older version of SP Flash Tool (such as v3