Amlogic USB Burning Tool and Driver v2.0.9 for manually installing firmware on NEO X8 Series, NEO U1 + NEO U9-H:
https://files.theminixforum.com/shared/tools/Amlogic_USB_Burning_Tool_v2.0.9_and_driver.zip
https://files.theminixforum.com/shared/tools/Amlogic_USB_Burning_Tool_v2.0.9_and_driver.zip