Some low-end Android TV boxes (often with Rockchip or Realtek chipsets) use engineering build strings. A factory worker might have leaked an internal build named rtd298xtv001eng , which runs Android 4.4.2 ( 442 / KOT49H ). Someone then repackaged it and added extra quality to make it appear desirable.
: Google has officially dropped support for Google Play Services on Android 4.4. This means most modern apps (like Netflix, YouTube, or Disney+) will no longer work or receive updates on this firmware. Security Risks
. These devices are often unbranded or generic Android TV boxes, tablets, or low-cost smartphones from around 2014-2015.