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. :
: 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
Copy the firmware file to the of the USB drive (not inside any folders). Download ONIDA LEO40FAIN Software part5 rar
The TV will check for available updates. If one is found, you can download and install it directly.
Finding the specific "part5.rar" file for an Onida LEO40FAIN If you cannot find the specific split archive
Insert the USB into the TV's while the TV is off or in standby.
:If you have the complete firmware file (usually a .bin or .img file), you can install it manually: Format a USB drive to FAT32 . The TV will check for available updates
Go to the icon (gear icon) in the top right corner of your home screen. Select Device Preferences . Choose About . Select System Update .