Do not turn off the power or disconnect the Ethernet cable while the update is in progress (usually takes 3-5 minutes).
Select "Firmware Update" and choose the .bin file you downloaded. Initiate: Click "Update" or "Upgrade". new download firmware fiberhome hg6243c
: Never power off the device during a firmware update, as this can "brick" the hardware, making it unusable. Do not turn off the power or disconnect