: Do not turn off the TV or remove the USB until the process is 100% complete, as this can permanently damage the software. Where to Find Firmware Files
Hold the on the TV (not the remote) for 5–10 seconds until the LED starts blinking, which indicates the update has started.
The TV will check for available updates. If one is found, you can download and install it directly. Download ONIDA LEO40FAIN Software part5 rar
If you cannot find the specific split archive parts online, the most reliable way to update your firmware is through the TV's built-in system settings or by contacting the manufacturer directly. :
Insert the USB into the TV's while the TV is off or in standby. : Do not turn off the TV or
Copy the firmware file to the of the USB drive (not inside any folders).
Finding the specific "part5.rar" file for an Onida LEO40FAIN If one is found, you can download and install it directly
:If you have the complete firmware file (usually a .bin or .img file), you can install it manually: Format a USB drive to FAT32 .