Ensure the USB drive is formatted to FAT32. Double-check that the file extracted is a .pkg file and sits in the main window (root) of the drive, not inside a folder. The update screen freezes or the power cuts out
A. Over-the-air (OTA) / Network (recommended)
: Improved standby power behavior for connected audio systems and set-top boxes. Checking Current Firmware Version
If you are still having issues with your TV, you may want to try to perform a factory reset, which will erase all of your data and settings, but it could solve some issues. If you do this, you will need to re-download all of your apps.
Note: In 2024, Sony announced the termination of software updates for several 2015-2018 BRAVIA Android models. While major feature updates have ceased, ensuring you have the absolute final version is still crucial for stability. How to Update the Firmware on Sony 43W800C firmware sony 43w800c
Improved Menu response time, resolved Wi-Fi connectivity drops, and updated root certificates for streaming services. How to Check Your Current Version Before attempting an update, verify your current software: button on your remote (or go to
Locate the latest firmware update file (usually compressed in a .zip format).
Make sure the .pkg file is sitting out in the open on the drive (the root directory), not hidden inside an extracted folder.
The USB drive must be formatted to (FAT32 is highly recommended for maximum compatibility). Step 1: Download the Official Firmware Ensure the USB drive is formatted to FAT32
Ultimate Guide to Sony KDL-43W800C Firmware Updates: Optimization and Troubleshooting
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If you encounter errors during or after the firmware modification process, use these troubleshooting steps to resolve them. Symptom 1: "No newer version of the TV software was found"
Extract the file and copy the .zip file to the root directory of a FAT32 or FAT16 formatted USB flash drive. Plug the USB drive into the USB port on your TV. Note: In 2024, Sony announced the termination of
Locate the and Volume Down (-) buttons physically built onto the back or bottom of the TV frame (do not use the remote control).
Which (e.g., North America, India, Europe) was your TV purchased in? Share public link
This is the easiest way to update, provided your TV is connected to the internet. Press the button on the remote. Select Settings .
Updates often resolve lip-sync issues, HDMI ARC/eARC audio dropouts, and intermittent screen flickering.
Technicians use this to write EDID (Extended Display Identification Data) and correct panel uniformity. However, a deep dive into the binary of the 43W800C's service firmware reveals ghost functions:
Android TV (Originally launched on Android 5.0 Lollipop, later updated to Android 7.0 Nougat) Processor Architecture: MediaTek MT5890 (ARM Cortex-A17) Method 1: Updating Directly via the Internet (Recommended)