Use a tool like WinRAR to extract the .rar file. You should see a single .bin file or a folder containing the firmware.
If it doesn't start, hold the on the TV panel while plugging it in. Important Safety Warnings Download ONIDA LEO50FSAIN Software USB part08 rar
A common source for Onida LED TV stock ROMs and USB update files. Use a tool like WinRAR to extract the
Use a FAT32-formatted USB flash drive (ideally 8GB or smaller). Download ONIDA LEO50FSAIN Software USB part08 rar
Once you have successfully downloaded and combined all parts, follow these steps to flash your TV:
Never turn off the TV or remove the USB drive during the flashing process. This can "brick" the motherboard.