: Ensure the USB is formatted to FAT32 and the file ends exactly in .bin .
Search for the official support page for your specific brand. Look for "Download Center" or "Firmware Update" sections. : The file will usually be in a .zip or .rar archive. Download ChannelLAR bin
Once downloaded, right-click and "Extract" the file. You should see a file ending in . Prepare a USB Drive : : Ensure the USB is formatted to FAT32