The TV should detect the file and begin a flashing white power indicator. The process can take 15–30 minutes
The simplest way to stay current is to ensure the automatic update feature is enabled. Press the button on your remote [1]. Firmware Change Update on SONY KD-43X8309C
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You have two options for installing this . The USB method is recommended for reliability. The TV should detect the file and begin
For more information on updating your SONY KD-43X8309C firmware, please refer to the following resources: (End) You have two options for installing this
: If updating via the internet, ensure your connection is stable to prevent download corruption. How to perform a software update on your TV | Sony USA
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.