A pre-release build of Android 4.3 has leaked out for the Samsung Galaxy S4; the model that this is for (GT-i9505) is the unlocked European version of the flagship Android handset. The Korean OEM is believed to be thinking about releasing the update this month or next. Those who have had the pleasure of using the update say that it is faster than Android 4.2.2 and lag free...Source: http://www.phonearena.com/news/Pre-release-build-of-Android-4.3-leaks-for-Samsung-Galaxy-S4_id47882
