This is M-Horse Yaya Toure stock rom made available by Magastory, Leakite commenter.
SP Flashtool or other tool that can flash via scatter files can be used to install the firmware with ease. But sp flash tool is recommended.
File Name: M-horse YAYA-Toure By MAGASTORY.zip
Size: 401 MB
Firmware Link – Download
How to flash
As explained, any tool that can flash via scatter file can flash this firmware. We recommend using sp flash tool, click here to learn how to use.
How to fix white display (or white screen issue) after flashing
If after flashing this firmware the device reboots and only displays a white and blank screen, download the file below to flash and revive the device.
White screen fix – Download