Hey, so I found out why the zip I gave you didn't hold root on your device. Stupid error on my part lol. I took the previous one I had made which was for installing it on your /system rather than /data. Well, when I modified it for /data given you...
use the universal version
Did it! And that has resolved the problem of loosing root after a while. Thanks to you all :)
I could do that, but it would be easier for you to flash the zip I did and then go in to the superSU app >> settings >> switch superuser app.
That will basically clean your device of SuperSU so you can go on the Google play store and install a ...