Once you have successfully downloaded all parts (including part04) and extracted the final firmware file, follow these steps to install it:
If your TV is still functional and connected to the internet, you can check for official updates without manual files: Download ONIDA 55UIB Software part04 rar
Sites like ZainabTech or High Tech Info often host firmware archives for various LED TV models, including Onida. Once you have successfully downloaded all parts (including
For some regions, SmartTech TV Downloads provides a model search for firmware packages. USB Installation Steps including Onida. For some regions
You can check the Onida Innovations page or contact their customer service to see if they can provide the exact firmware for your 55UIB model based on its serial number.