SuperMan Rom is favoured by many, give it a go! I still use his Marshmallow version for xposed but he's up to nougat and has some mad features on there https://forum.xda-developers.com/s7-edge/development/rom-s7-edge-rom-v1-1-t3356699 Tkkg1994
Root explorer is good.
SuperSU is just an app to manage root access. It doesnt allow you to change the permissions of files.
Agreed. RootExplorer is the best out there for this purpose.
You should try it out.
The a2sd script is troubling me for some reason. Flashed the rom and put in every command as stated but the phone doesn't reboot by itself after the last Y. Even after a manual reboot, a low storage space is indicated. I had no problem using it wi...
For some reason the zip file for the 3.56 version couldn't be opened by recovery. It just provides an error message - "bad".
Can someone provide any insight?
Try to go to recovery. If it works then your device is fine. You can wipe and flash a new rom.