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: Some Onida models require the file to be named exactly allupgrade_ms648_sos.bin or similar to be recognized. Check the specific instructions that came with your download. How to Install via USB There are two common methods to initiate the update: Menu Method (If TV boots) : Plug the USB drive into the TV's USB port. Go to Settings > Device Preferences > About . Select System Update or Software Upgrade (USB) .
Release the button once the update progress bar appears on the screen.
Press and hold the on the TV panel (not the remote). Download ONIDA LEO40AFIN Firmware USB rar
: Ensure your USB drive (ideally 8GB or smaller) is formatted to FAT32 . This is critical, as many TVs cannot read NTFS or exFAT formats for updates.
: Place the firmware file directly in the root directory of the USB drive (do not put it inside any folders). : Some Onida models require the file to
: Use a tool like WinRAR or 7-Zip to extract the contents of the .rar file. You should find a file ending in .bin or .pkg .
: Installing the wrong firmware version for your specific motherboard can permanently "brick" your TV. If you are unsure of the version, check the label on the motherboard inside the TV cabinet or contact an Onida Support Center for the verified file. How to Update ONIDA TV Software Go to Settings > Device Preferences > About
If you have obtained the .rar firmware archive, follow these steps to prepare your USB drive: