Community-driven platforms such as Kazmi Elecom or Softwarezone.ga are common sources for split RAR files like the "part01" you mentioned.
If you manage to download the firmware (usually in .bin or .img format after extracting the RAR), the general installation steps are:
Official downloads for older Onida models are rarely hosted on a public consumer site. Technicians typically source these from specialized firmware marketplaces or community groups:
If your TV still boots, you can check for official updates through the menu:
Many technicians upload firmware links in the descriptions of repair videos. For instance, channels like Onida Stock Firmware provide links for various Onida Android device updates. How to Update via USB
You will need all parts (part01, part02, etc.) in the same folder. Use a tool like WinRAR or 7-Zip to extract "part01.rar"; it will automatically pull from the other parts. Format USB: Use a FAT32 formatted USB drive.