: Rename the firmware file, copy it to a USB drive, and connect it to the powered-off STB. Hold the power button while turning the device on until "update" appears on the display.
A "dump" file for the is essentially a full backup or "image" of the receiver's flash memory. It captures the entire state of the device, including the operating system, firmware, channel lists, and custom settings.
After dumping the Starsat SR-5090 HD Extreme, you may need to:
Official firmware and support files for the StarSat SR-5090HD Extreme are typically found on community forums or manufacturer-supported repositories like StarSat International manually create a backup of your specific channel list before updating?