Belkin F6D6230-4 v1 User Manual page 84

4. You will be asked if you are sure you want to continue. Click "OK".
9230_Firmware_Update_Confirmation.jpg[keep]
5. You will see one more message. This message tells you that the Router may
not respond for as long as one minute as the firmware is loaded into the
Router and the Router is rebooted. Click "OK".