Warning: Do not download firmware from unknown file-sharing sites without scanning for viruses. Also, ensure you are downloading for V1.1, not V1.0 or V2.0, as they are incompatible.
Go to Menu > Tools > Dump and save your current software and channel list to the USB. Do not skip this step. Upgrade: Plug the USB into the receiver. Navigate to Menu > Tools > USB Upgrade . Select "All Code" or "Software" as the upgrade mode. Select the file and press Start .