If your device is currently running Android 5.0 or higher, do not attempt to downgrade using this package—it will cause a hard brick due to bootloader differences. Also, note that Google Play Services may no longer support Android 4.4.2; you will need to sideload older APKs (version 14.x or lower).
If you are looking for the text or description for an "exclusive update" post or file, you can use the following template: Update Details Model/Chipset: RTD298X (Realtek) TV001ENG 4.4.2 Exclusive Firmware Update / OTA English (ENG) / International Update Features & Fixes System Stability: rtd298xtv001eng 442 kot49h update exclusive
The build was a significant incremental update for the Android 4.4 platform. While originally popularized by Google's Nexus devices, this firmware string is frequently used by manufacturers of generic and brand-name Android-based TVs (such as Skyworth or various OEM boards) to identify their system software. Key Features of the Android 4.4.2 (KOT49H) Build: If your device is currently running Android 5