Too many to list, Internet Speeds low on ethernet cabled in, not up to 1 GHz as stated. Low signals, Being dropped, disconnected, no email, no ID about what service I have or welcome pkg. that was ordered in Brooklyn through sales representative which they screwed all up, had to call customer services because internet with optimum all screwed up. Altice mini discounts in one room over and over again, Their technology is not up to par like others. Etc.etc. User's recommendation: Sorry don’t recommend at the moment.