The tech support guy argued with me for a half hour that I couldn't know the modem was bad for sure, even though comcast had identified it as faulty and replacing it solved my problem.

After arrival, I just had to call tech support to have the device

Optimum does not allow you to self activate, so I called tech support (looooonng wait!

Called the number to their friendly overseas tech support to confirm

Tech support at Arris told me that this modem is "very sensitive" to the cable input in terms of S/N ratio and signal strength.

I see all lights on and their tech support tells me the modem is disconnected

Tech Support at Arris was ZERO help, total waste of time and captive phone minutes wasted forever.

Contacted tech support from Arris which guided me through several tests

Tech Support will register the Modem and activate it

After calling Optimum's tech support and getting the entire system verified, it was determined that my old Arris SB6121 wasn't able to take the upgraded speed

I called tech support for Arris and was on hold for 75 minutes.

Their tech support knew what to do and made the installation over the phone painless

I just had to call optimum tech support who helped set it up.

With Spectrum you have to call tech support and give them the MAC ID.

I only bought this because of the good reviews and when called tech support they said all the did was walk me through a hard rest which didn't fix anything.

I did my research and talked to tech support at the cable company and he said the specifications of this modem were compatible with their system

Went through tech support with my ISP to no avail.

I have Suddenlink and their modem was really bad but their tech support was really good.

Comcast tech support tried to remotely reset the modem with no luck either.

I'm still trying to work with Arris after 3 calls to tech support(on hold now for 45 minutes) to send me a

n’t had any issues with this modem/router

P.S. Reminiscing to not too long ago, when 30 mb/s was considered "fast", and now I'm cruising at 30 MB/s...

n’t had any issues with this modem/router