This may be a little easier. I found a site with ask identifying marks for all S4 variants. Take a look and see which one you have. Then we can go from there.
http://www.etradesupply.com/blog/find-models-samsung-galaxy-s4-series-2/
Sent from my SGH-M919
---------- Post added at 08:53 PM ---------- Previous post was at 08:52 PM ----------
I'll help you as much as I can!
Sent from my SGH-M919
Ok I took a picture of it based off the site you shared and I do not see the model number they spoke of.. Weird right?? Or am I overlooking it?
Sent from my SM-G900T using XDA Premium 4 mobile app