How to install stock rom through spflashtool on Linux OS.(Tested on ubuntu 14.04)

First Time Setup:

1) Download spflashtool from below link :

Link

2)Extract downloaded spflashtool on desktop.

Open terminal and type the below commands :

sudo apt-get install libusb-dev

Give your password.

3) Type “cd” on terminal then give a space and dragg“SP_Flash_Tool_exe_Linux_v5.1604.00.100” folder to the terminal,press enter.

4)Run these commands:

chmod +x flash_tool.sh

chmod +x flash_tool

Then run below commands:

sudo adduser rajaul dialout (change rajaul with your login name)

newgrp – dialout

Then

sudo -i

Give your password

Then below command:

gedit /etc/udev/rules.d/80-persistent-usb.rules

Copy the below string in the text file opened automatically by gedit ,then save and close it:

SUBSYSTEM=="usb", ACTION=="add", ATTR{idVendor}=="0e8d", ATTR{idProduct}=="*"

Then this command:

gedit /etc/udev/rules.d/20-mm-blacklist-mtk.rules

Copy below 2 strings in the text file opened automatically by gedit , then save and close it :

ATTRS{idVendor}=="0e8d", ENV{ID_MM_DEVICE_IGNORE}="1"

ATTRS{idVendor}=="6000", ENV{ID_MM_DEVICE_IGNORE}="1"

Then run below commands:

sudo service udev restart

So,now setup complete,from next time you have to follow onlybelow steps:
ROM flashing method

Open terminal and type “cd” then give space and drag“SP_Flash_Tool_exe_Linux_v5.1604.00.100 to the terminal”

then

sudo ./flash_tool

Give password

Copy ROM and extract in a folder on Desktop.

Click on the scatter-loading and locate the scatter file from extracted ROM folder.

Click on the "Download" button .

Switch off device and connect to PC/Laptop through usb cable.

Wait till a green pop-up appears and you will see"Download Ok" message :

Disconnect phone and press power button to reboot.