The Sony BRAVIA (a 2015 4K Android TV model) can be updated to improve system stability, resolve performance bugs, and occasionally add new format support like HDR. Primary Update Methods
A message will appear on the screen saying "Copying software update...". Firmware Change Update on SONY KD-43X8309C
: A common sentiment is that the Android OS implementation on this series is "buggy," often requiring a manual power cycle (unplugging the TV) to resolve freezes. The Sony BRAVIA (a 2015 4K Android TV
Updating the firmware on your SONY KD-43X8309C is essential to: resolve performance bugs