Here you can download the stock firmware flashable via SP flashtool for M-Horse X9. This firmware is always useful for fixing privacy unlock codes, security codes, malware, hang on the logo, rebooting and other software related issues.
Endeavor to backup your existing ROM in case something goes wrong. You should always make sure the device to be flashed matches the firmware here, which is for MHorse X9.
Download M-Horse X9 Stock Firmware
M-Horse X9 Stock ROM – Download
password – http://www.kriztekblog.com
Brand : alps
CPU : MT6572
IntName : X9
Version : 4.4.2
Compile : 4/14/2016 10:00:21 AM
Project : MP.V1.0
ExtInfo : X9
All M-Horse Srock ROMs – Click Here
To flash the firmware above to your MHorse X9, follow this tutorial. https://www.kriztekblog.com/2016/07/how-to-flash-firmware-to-mediatek-android-devices-using-spflashtool.html