Firmware samsung galaxy grand duos gt-i9082 part 1 => http://adf.ly/uw3ze part 2 => http://adf.ly/uw3yx part 3 => http://adf.ly/uw3y5 part 4 => http://adf.ly/uw40d part 5 => http://adf.ly/uw3wp uploader : ulfandroid