Mt6580 Firmware Android 9 Install [extra Quality] Guide
The MT6580 is a chip, released in 2015-2016. It was designed for Android 6.0 Marshmallow (and some Android 7.0 Nougat). Key issues with Android 9:
: A firmware for “MT6580” alone is insufficient. RAM size (1GB/2GB) and display driver (e.g., ILI9881, JD9365) must match your specific device. mt6580 firmware android 9 install