firmware Samsung GT-S7582 MT6575
How To Flash:
Its a Scatter file you can flash it with Sp Flash Tool or any Flasher Box
Select “scatter-Loading” and Slect MT6572_Android_scatter.txt in folder
Wait file to be added into Flash Tool Or Any Flashing box
Select “Download Only” or if upgrade “Firmware upgrade” in Flash Tool
Turn off your phone
Press “Download” Button to start
And connect your phone with PC via USB data cable.
The process will start and a red progress bar will appear after color purple, yellow.
And green circles display
You can now safely disconnect your phone and turn it on.