Are you looking to (like an HDMI "no signal" issue) or are you trying to upgrade the Android version ?
Firmware for HDMI extenders is rarely made public unless: nortek-hd-box-r1-hdmi-firmware
: Use the remote (if possible) to cycle through output resolutions (576p, 720p, 1080i/p) as the box may be set to a mode your TV doesn't support. Are you looking to (like an HDMI "no
: Like many compact media boxes, the R1 can run hot during 4K playback; ensure it is placed in a well-ventilated area Winsupply . : Ensure the power supply is stable
: Ensure the power supply is stable. Low-quality power adapters can cause "noise" that degrades the data transmission during a firmware flash. If you'd like to proceed with the update, let me know: Your current firmware version (if you can access the menu) The brand of the TV or monitor you are connecting to Any specific error codes appearing on your screen Nortek Software