Jflte is the modelnumber for the galaxy s4. Jfltexx is the International model of the galaxy s4.
Different carriers have different modelnumbers because of their lte frequencies. All of them have the Snapdragon 600. If you no carrier restricted phone then you have the jfltexx
And a jflte ROM is for every snapdragon S4. So for the jflteatt, jfltevww, jfltetmo and of course jfltexx. It's called a unified build. The jfltexx is just the i9505. So the device you own. You can flash jfltexx ROMs and jflte ROMs. They both should work.
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