Samsung Galaxy S4 has a 5″ 1080p Super AMOLED display (PenTile 441 ppi), a pseudo octa-core Samsung Exynos 5410 or quad-core Qualcomm Snapdragon 600 (depending on region), 2 gigs of RAM, up to 64 gigs of storage, and a 2600 mAh battery. Furthermore, the device features additional features such as floating touch and a 13 MP shooter featuring a revamped camera interface.
Samsung will not be making Android 7.0 Nougat for Galaxy S4 or any of its variants. However, there is an AOSP ROM build running on Android 7.0 available for Samsung Galaxy S4 LTE. It contains all the Nougat features such as night mode, bundled notification, improved battery optimisation, multi-window options and numerous other value-added features to enhance user experience. If you want to install this ROM, follow the guide below.