https://www.androidsage.com/2017/02/17/download-and-install-official-android-7-0-nougat-for-t-mobile-samsung-galaxy-s7-and-s7-edge-g935tuvu4bqb1/
[Download] Official T-Mobile Samsung Galaxy S7 and S7 Edge Nougat firmware [G935TUVU4BQB1]