If you are looking to download Android 4.3 for Galaxy S4, then you are at right place. Android 4.3 is already a reality unofficial filtration thanks to the version that will mount the Galaxy S4 Google Edition. This leaked ROM of Android 4.3 works with GT- I9505G, so if you are having Galaxy S4 that is built on Exynos Octa chipset, then it will not work.
Despite this initial bad news, SamMobile guys have left us good, and who have carried out the necessary adjustments to Android 4.3 works well without any problem in the standard S4 Galaxy, i.e. those based on Qualcomm Snapdragon SoC 600 (GT-I9505).
The result of these adjustments and tweaks has made custom ROM i.e. fully functional Android 4.3 for Galaxy S4; owners of this flagship will enjoy all the new features; just have minimum knowledge to install it without problems. So, what you are waiting for, download Android 4.3 for Galaxy S4 now.
Above you can see few significant changes of Android 4.3 in Galaxy S4 smartphone, changes like especially in the camera application and other minor design adjustments. You can find the ROM and many more pictures on the web. Moreover, you can download Android 4.3 for Galaxy S4 from here.