first off go to www.2wire.com do a speed test if your speeds are all over the place it has nothing to do with the modem speed is set from verizon secondly they will replace the modem basic one for free the action tec dsl modem will cost you from my issue with verizon to much signal can have the opposite effect a slow down of the speed from my experience it was a line issue to long of a line i am having issue my self dns errors it related to there servers try this call the no. for the phone ask for the no. or dsl tech support try and get the no. that is for advance tech youll get Americans on the phone there more experienced than the off shore techs