[feedquote='Gsm Arena Feeds','http://www.gsmarena.com/android_44_kitkat_test_firmware_leaks_for_at_t_galaxy_s4-news-7673.php']

Now that the Galaxy Note 3 KitKat firmware is rolling out globally, Samsung is focused to deliver the latest Android version on the Galaxy S4 as well. It seems there are already test firmwares and one of those has popped up over at XDA Developers. Two weeks ago we saw a test KitKat firmware for the international I9505 model. Today's firmware is for the AT&T-bound Samsung Galaxy S4 (SGH-i337)...

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