friends mein ne samsumg N5 series ki FHD led li hai 40 inch ki us ka model no ye hai "UA40N5000ARSMZ" hai us ka latest software downlad kiya hai samsung support centre se us ki bin file aayi hai after extraction wo aik usb mein rakhi hai lakin jab software upgrade k option pe jata hoon error no software found why? Plz any solution mein ne 2 alag alag usb mein check kiya hai