hi, i recently bought a nokia n93i (about 3 days ago) and its pretty cool especially the camera, but lateley i cant use it. when i swithch to picture/video mode the screen goes black and white trips looking like a codebar (example) ( and i cant do anithing. if someone had this problem and solved it please tell me, i dont wanna go yet to the service. ps: i cant use the camera even with photorite or other camera software