While the official changelog merely cited "General security patches and system stability improvements," our testing revealed three tangible changes that matter to daily users.
Yes, but with a warning. Unlike the disastrous updates of 2017 that broke HDMI ARC on this model, version 6.7210 is stable. However, because this is a legacy chipset (MediaTek MT5890), the update will wipe your stored Wi-Fi passwords and reset your picture calibration settings to factory default.
Pro-tip: Before updating, write down your Custom Picture Mode settings (Contrast, Black Level, Live Color). Firmware Change Update on SONY KD-43X8309C
Precautions:
The Sony KD-43X8309C has reached "End of Life" regarding software development. The current available firmware is considered the final stable build. While the official changelog merely cited "General security
Recommendations:
End of Report
Apps missing or misbehaving:
Network issues:
Picture or audio regression: