If your receiver won't boot past the "LOAD" screen, use the method: Rename your firmware file to rom.bin . Insert the USB into the powered-off receiver.
: Do not turn off the receiver during the update, as this can "brick" the device. Step-by-Step Installation Prepare the File If your receiver won't boot past the "LOAD"
This guide outlines the process for updating your (or compatible Sunplus 2507L chipset models like the If your receiver won't boot past the "LOAD"