How to update or flashing new firmware Lava iRis-354 by sp flash tool mtkxxxx. this tutorial you can get knowledge of other android phone that have cpu mtk.
How To Do :
1- Download SP_Flash_Tool_v3.1216.zip
2- Download Lava iRis-354 firmware Source of firmware ( http://firmwarefile.com/lava-iris-354 )
3- Extract firmware that you downloaded on your computer
4- Install Driver ( it have in firmware that you extracted ).
5- Open sp flash tool and click on scatter to find MT6572_Andriod_scatter.txt in lava iris-354 firmware folder for load file.
6- Click on Download button in sp flash tool programe.
7- Insert battery and Connect your Lava iRis 354 phone to Computer via USB.
8- The phone will install driver and Auto flashing
9- Wait until the phone flashing complete.
* if you get any problem pleas watch video below for detail.