🔌 ARRIS SB6121 SURFboard 4x4 DOCSIS 3.0 Cable Modem -Retail Packaging- Black Review

I know it sounds like a publicity stunt, but it's usually because it sounds too good to be true, but it's not. All major cable providers are required to allow you to purchase your own cable modem under the FTC and cannot force you to rent their modems for ever-increasing fees. Time Warner Cable recently increased modem rental to $10 per month, which means this modem will pay for itself in 7 months if you have Prime or opt for free shipping. 1. If you have a phone line, you can use this modem…

BEFORE CONNECTING:1. Write down your comcast2 account number. MAC address of the modem3. Modem serial number (Tip: You can use Android barcode scanner to easily mail yourself these numbers without typing them in manually.) This is ONLY the serial number, not the "customer serial number".4. Make sure your network connection has DHCP enabled (should be enabled by default, but of course make sure you can't google it when offline). First via the modem before you connect or disconnect anything. To…

Although the modem is advertised as Comcast compatible, the reality is more complicated. Yes, the modem works. However, throughput is down to about 10 Mbps and up to 5 Mbps. I've called Comcast three times to complain that I'm not getting the 25 Mbps I paid for. They sent technicians three times. A third tech told me he had seen similar issues with other surfboard modems. Eventually he ran diagnostics and found that the Comcast system didn't know the modem was connected, even though the…