This is the guide I followed. Its worked ok but Im having to setup the phone even though I backed everything up and restored. Its no biggie but worth it with out the adsI used odin to get mine onto 7.0 but now i want to re-root to delete some bloatware, where is a guide on how to do it as i have deleted all the links and files i had
thanks folks
http://www.droidviews.com/install-twrp-root-galaxy-s7-and-s7-edge-on-nougat-g935fxxu1dplt/