Here is small list which mentions what are the new things in the Android Kitkat 4.4.3, but this is not a full list several items would be added in further upcoming leaks. Frequent data connection dropout fix will available in this update MMS, Email/Exchange, Calendar, People/Dialer/Contacts, DSP, IPv6, VPN fixes Missed call LED fix would be resolved with the update Camera focus in regular and HDR mode fixes Power Manager displays wakelock fix Multiple Bluetooth fixes App shortcuts sometimes got removed from the launcher after the update USB debugging and other security fixes App shortcuts security will fix Subtitle fixes WI-Fi auto-connect fix Other camera fixes Stuck in an activation screen fix Data usage graph fixes Internet telephony fix mm-qcamera-daemon crash and optimization fixes FCC compliance fix Fix for a random reboot When this update will comes from the Android users it yet been not disclosed in the report,which mentions that the Android 4.4....