This tutorial has been orignly posted by Manik Kumar......
Am just posting here....to help others..... All Credits to @manikkumar20
1.Make one folder on u r DESKTOP copy all necessary files.
2.First unrar VCOM drivers and install the driver till it comes dat it installed successfully
3.Then unrar sp flash tools and lava iris504q.xxx.4/28_DCC.rar file
4.Open sp flash tools(Flash_tool.exe)
NOTE:- DONT CONNECT U R PHONE YET!
5.Go in file tab and click on open scatter file
6.Now browse to the iris504q.xxx.4/28_DCC.rar file which u unrared and select MT6589_scatter txt file
7.All things inside the iris504q.xxx.4/28_DCC.rar file will load up
8.Now click on Firmware-->upgrade and it will search for the device
9.Now switch off ur phone (REMOVE BATTERY) and connect it with pc through usb cable.(WITHOUT BATTERY)
10.The tool automatically detects ur phone and starts d procedure
11.First a red line will come den after few seconds blue lines will load up den yellow and etc
12.When a green circle will come saying upgrade finished,just close that and d tool too.
13.Remove usb cable and switch on ur phone it will Boot up with all stock features.
14 After that follow d procedure and setup ur phone.
15 Now u can enjoy ur stock rom for warranty purposes and also for UNBRICKING IT!!!!
16.Enjoy and if any doubts ask me!!!!!
@manikkumar20 ....thanks for the tutorial....
Thank you.... !!