Model : Hardware Version : Firmware Version : ISP : My internet connection usually disconnected and the error - please configure your DNS manually appears as in the picture below My ISP said that there is no any problems in my line and the sevise from the providerAll leds in the modem is normal during the connection lostSo I have to reboot the device many times to restore my connectionI have the latest version of softwareEven I tried to apply the DNS numbers manually in the internet configuration and i had to rest the factory settings many times but unfortunately the error occurred