Here also the same, for me it's German (EU) 1.31.401.1 or newer i am still searching for. What i need to restore the phones rom to factory state and relock it as i have to send it to repair.
I search since July and have no success. I think the phone is not really good supported outside USA. My Display has the half screen black bug and it's still on my shelf waiting for repair, what i can't request before i have the rom back in factory state.
I just got an iPhone 7 and i am happy with, at last there is an Adblocker available and all pre installed apps can be removed since last (iOS 10) software release. So i don´t need a system which i have to root and lose the warranty anymore.
But i still hope for a RUU file to get the phone repaired and can sell it after for a little amount.