Look for a file ending in .bin (e.g., allupgrade_vst59_8G.bin ). Copy this file directly to the root directory (main folder) of your USB drive. Do not put it in a folder. 3. Installation Methods

Since official direct downloads for older models can be scarce, technicians often use community sites like Kazmi Elecom which hosts a collection of Changhong Ruba software.

Depending on your TV's current state, use one of these methods: How to update any Samsung TV's firmware using a USB drive

If you downloaded a .rar file, extract it using a tool like WinRAR.