: Resolves issues such as continuous reboots, YouTube 4K playback failures, and stuttering on apps like Amazon Video or BBC iPlayer.
: You can choose to download the update in the background. Once finished, turn the TV off and back on to complete the installation. Sony India Automatically check for updates to receive future notifications automatically. Method 2: Manual Update via USB Firmware Change Update on SONY KD-43X8309C
If your TV isn't connected to the internet or the automatic update fails, use a USB flash drive. 1. Prepare the USB Drive Use a drive formatted to FAT16, FAT32, or exFAT Ensure you have at least 2GB of free space. 2. Download the Firmware Sony Support Search for model KD-43X8309C Download the latest firmware Extract the file and copy the file to the root directory (main folder) of your USB drive. 3. Install on the TV Insert the USB drive into one of the TV's USB ports. : Resolves issues such as continuous reboots, YouTube
If the firmware update causes issues:
: Do not turn off the TV or unplug the power during this 10–15 minute process [3, 4]. Troubleshooting & Support Sony India Automatically check for updates to receive