The .rar format is a compressed archive used to package the firmware files into a smaller, more manageable size. Steps to Download and Use the Firmware : Search for " TIGER T555 Rio MINI
software update" on official community forums or the manufacturer's website Download TIGER T555 Rio MINI rar
: Click the download link to save the .rar file to your computer. Download TIGER T555 Rio MINI rar
: Never turn off the receiver or remove the USB drive during the update process, as this can permanently damage the unit. Download TIGER T555 Rio MINI rar
Navigate to the or Expansion menu using your remote. Select USB Update or Software Upgrade .