If the power goes out during an update, your box may require a professional "flash" using a programmer tool.
Click "Check Now" or "Start." If an update is available, the system will prompt you to download it.
Look for an option labeled "Network Upgrade" or "OTA Upgrade."
Older Jetron models or those that won't boot past the logo screen may require a "null modem" cable and a PC. This involves using a serial tool on your computer to "push" the firmware to the box. Instructions for this are often found in technical manuals on platforms like Scribd .
