Hopefully that link works for the mga update.
You do actually have the s4 LTE, lte just refers to 4g, the same as the h signal is still 3g :-)
To clarify its the bottom one with two download options that you click on, it's just give you choice on what server to download from :-)
Original Stock ROM: Download: <<< Hotfile >>>
Stock KERNEL: Downloads: <<< Android Host >>>
Stock RECOVERY: Downloads: <<< Android Host >>>
Pre-Rooted ROM: Downloads: <<< Hotfile >>> or <<< Android Host >>>