Hi again Munyaga, Make sure your USB mass storage device is plugged into the front USB socket, then go to MAIN MENU, select External Advice, then select File Manager. You scroll through the tabs at the top of the screen using the 'Group' key on the remote, until you get to the tab labelled s/w DATA. Then press the 'info' (i) key on remote - "upload file", a pop out box now gives you two choices, the choice in black text on a white background is the one that will be selected when you press OK. The choices are Upload CH list and Upload STB. If you select the first, you upload to your USB a file which contains all of the channels that you already have stored, including all favourites etc, this might be very useful, since you can put a lot of time and effort into organising 800 channels! - If you select Upload STB, you will save a copy of your current firmware on your USB device. To re-install either the channel list, or the firmware, simply select those files (in the root directory of the USB) and click on OK, it will ask you '[are you sure}, ok again, and you should be able to reload the files.