yes i check and in my region didn't find any frameware to the product, u can test ur self, i'm from middle este ( Egypt country), and i find that i can upgrade the frimware when i press the reset button and when the power led be red colour i open in browser 192.168.1.1 then i find the frimware upgrade tool.
so i only want the frame ware to my router
D-link 2730u fw ver: LN2 1.00