Because 4.4.2 was a long-standing OS version, many users "rooted" their devices to extend battery life or performance. Kies detects modified firmware instantly. If your Android 4.4.2 device has been rooted or has a custom ROM (like CyanogenMod), Kies will refuse to connect for data transfer or updates.
: Sync music, videos, and podcasts across different platforms, including iTunes. samsung kies for android 4.4.2