I use a Samsung J7 mobile phone, model number SM-J700F (checked both below the battery and in the "about phone" section). I live in Israel, so I don't use one of the four big main carriers.
I tried inputting my model number in the Samsung website http://www.samsung.com/us/support/downloads/ but right as I enter the last character in my model number ("F") i get "please enter a valid model number.
What do to?