QMobile X900 Flash File Firmware Download , Below is the direct link to download the Qmobile X900 Plus Stock Firmware (flash file) from GoogleDrive.
Qmobile X900 Plus flash file
Important Notes from softfile.net
Take a Backup of your personal data before flashing or installing the firmware on your smartphone. As this helps you to recover the personal data whenever any thing wrong happens
How to Flash
Download and extract the stock firmware on your computer.
After extracting you will find the Firmware, Driver and instruction manual.
Install the USB Drivers (skip if drivers are already installed).
Follow the instruction manual to flash the firmware on your smartphone.