Of all the US Galaxy S4 variants, it's a safe bet that the Metro PCS version is one of the lesser-owned models. That said, if you count yourself among the ranks of SGH-M919N owners, your Android 4.3 update is ready. The official changelog doesn't look any different from the comparable OTAs for the other variants, but it's always nice to get a big firmware update like this nonetheless.
- OS upgrade to Android 4.3 (Jelly Bean)
- Samsung Galaxy Gear™ Compatibility - for detailed information about Galaxy Gear features, please visit the Galaxy Gear page
- Samsung Knox Compatibility
If you're curious what OS changes Android 4.3 brought with it, you can check out our overview.