Navigate to > Device Preferences > About > System Update .

: Your first step should be contacting Onida Customer Care or visiting an authorized service center. They can provide the correct, verified firmware for your specific serial number to avoid "bricking" your TV with the wrong version.

: Some technical channels provide aggregated download links for various TV sizes, including 50-inch models, which might match your device. Installation Prerequisites If you obtain the file, follow these safety steps:

: Sites like Dip Electronics LAB or Kazmi Elecom often host firmware archives for various LED TV models.

Finding specific firmware files like can be difficult as official downloads are rarely hosted on public websites for direct consumer access. Manufacturers typically distribute these files only to authorized service centers. Where to Find Firmware

: Place the extracted firmware file (often with a .bin or .pkg extension) in the root folder of the USB drive, not inside any subfolders. Updating via Menu If your TV still boots, you can try a standard update:

If a USB option is available, select from the menu.

: Ensure your USB drive is formatted to FAT32 . Most TVs will not recognize drives formatted as NTFS or exFAT.