For TV boxes, these Linux-based Kodi distributions are far more modern, secure, and performant than Android 4.4. Many Realtek chips (RTD1295, RTD1395) have excellent CoreELEC support. RTD298x might be older, but check their forums.

You should only consider this update if:

Some Chinese set-top boxes (e.g., MXQ, T95, or unbranded Realtek RTD298x devices) have hobbyist-built KitKat-based custom ROMs. A file named like this would be a community repack with modded libraries, rooting, and possibly Kodi or other media optimizations.

The update described as "extra quality" suggests that the changes are focused on enhancing user experience or performance metrics beyond standard expectations. This could involve:

If you cannot boot into Android or the menu update fails: