If the TV is freezing frequently, consider doing a factory reset before attempting the update again. Finalizing the Update

This is the most distinct and interesting firmware feature of the W800C series because it was one of the few non-PlayStation devices to have this capability fully integrated into the OS at the system level.

If your version is lower than , an update is recommended. 3. How to Perform a Verified USB Firmware Update

If you are facing specific issues during the installation or need help locating a clean copy of the update, tell me: Your (e.g., India, USA, Europe) Your current software version found in the settings menu The exact error message you see on your screen

Updating to the latest verified firmware provides several key benefits:

– The final Oreo update is approximately 1.3 GB to 1.5 GB .

Firmware Sony 43W800C Verified: Essential Updates & Installation Guide (2026)

The TV will automatically recognize the verified package and display an "Updating System" screen.

Sony KDL-43W800C is an Android-based Full HD Smart TV that relies on regular firmware updates to improve performance, fix software bugs, and add new features like soundbar support or enhanced audio processing.

By following this comprehensive guide, you'll be able to verify and update your Sony 43W800C firmware with confidence, ensuring an optimal viewing experience.

KDL-43W755C / W805C (Equivalent European chassis variants)

Do not turn off the TV, unplug the power cord, or press any buttons during this phase.