For manual USB recovery, specialized electronics forums such as Kazmi Elecom often host collections of Ecostar LED TV software. Note that installing incorrect firmware can permanently disable your device (brick it).

If your TV is functional and connected to the internet, navigate to Settings > Device Preferences (or About ) > System Update to check for official releases.

Use a utility like WinRAR to extract the .bin or .img firmware file from the .rar archive.