Press and hold the on the TV (not the remote) and then turn on the main power switch.
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. Download ONIDA 55UIB Software part04 rar
Ensure your USB flash drive is formatted to FAT32 . Press and hold the on the TV (not
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
For some regions, SmartTech TV Downloads provides a model search for firmware packages. USB Installation Steps
The TV will usually restart automatically once the update reaches 100%. Online Software Update (Alternative)