Press and on the TV panel (not the remote).

Download all required parts into the on your PC.

To download and install the firmware for your Changhong Ruba 55E5508i , follow these steps. This process typically involves gathering all parts of a compressed archive to ensure the software isn't corrupted. 1. Locating the Download Files

Use a high-quality USB 2.0 drive (8GB or 16GB is usually best). Format the drive to .