It's the bad part of buying non-flagship terminal manufacturers. Samsung does not usually give a lot of information before upgrading the terminals, and while the Galaxy S4 already have your upgrade path, http://technologygiant.net/samsung-galaxy-s4-filtered-firmware-android-4-4-2-kitkat/ these less popular versions are not guarantee anything. Anyway, the S4 Active has virtually the same hardware as the standard version. You have to wait for now ...