Hi my techie friends help me out,
I am having a Samsung mobile model is champ,it's touch screen and model is "GT-C3303".It main problem is that if I convert any video in 3gp(or in any format ) and then copy it in my mobile then it is visible in mobile's folder when the mobile is connected to computer but when I remove it and see in my mobile then nothing can be seen,but memory is still occupied.there is no virus in my PC or mobile,so please friends help me out