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
Copy the firmware file to the of the USB drive (not inside any folders).
:If you have the complete firmware file (usually a .bin or .img file), you can install it manually: Format a USB drive to FAT32 .
software update often requires access to specialized technician forums or direct support, as these files are frequently split into multiple compressed parts to manage large firmware sizes.
Insert the USB into the TV's while the TV is off or in standby.
: 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
Go to the icon (gear icon) in the top right corner of your home screen. Select Device Preferences . Choose About . Select System Update .