If Kies’ firmware update fails, use Odin 3.13 (a community tool) to manually flash Android 4.4.2 ROMs from Sammobile.
Before Samsung pushed "Smart Switch" as its primary desktop suite, there was . Launched in the early 2010s, Kies (which stands for Key Internet Energy Service ) served as a bridge between your Samsung phone and your Windows PC or Mac. samsung kies for android 4.4.2
: Sometimes, having "USB Debugging" turned on in Developer Options interferes with Kies. Try turning it off. If Kies’ firmware update fails, use Odin 3