SGH-T889 turned into a 7100, can this be fixed?

So I was running 4.4.4 (I forget who's build) and I just did a search on marshmallow and I saw a CM 13 so I flashed it without reading. I know, stupid noob. Anyways, my phone now says it is a GT-N7105 on android 6.0.1.

I do not like it. Before I try, I was curious if anyone knows if flashing it back is possible.

Thanks