Tried unroot via SuperSu. Fail operation

[James Bond14]

Hello,
I've had my rooted S7 since release, tonight I tried unrooting it without success. I have no idea how I originally rooted it, but tried SuperSu's "prepare for unroot" function without success. I'm guessing I now have to manually restore the OS. So if any of you clever minds can point me in the right directions with regards to software, that would be great (Of course a guide to how such a thing should be done would no doubt be appreciated.)

- Regards

 

[James Bond14]

I should iterate, the problem is my phone is booting straight to TWRP. The functions within however, provide no help at all. It seems lost..

 

[mrtinydave]

I had the same problems with urooting my T-Mobile S7. Nothing was working but I finally figured it out. I was using all older versions of ODIN. I had to use the most updated which i believe is 3.12.3 with the most up to date firmware. Hope this helps if you haven't solved it