Follow the steps below to activate a new modem or replace an old modem for your Spectrum Internet service. Use the quick links provided to navigate to the section of your choice.

Note: These steps apply to Spectrum Residential Internet customers only. Spectrum Business Internet customers are required to use authorized Spectrum-issued modems. Learn more.
Quick Links

Required Equipment

  • Modem
  • Coaxial cable
  • Ethernet or USB cord
  • Power cord

Connect Your Modem

  1. Refer to your self-install kit or get detailed instructions.
  2. Open your web browser or visit spectrum.net/selfinstall on your wireless device.
Note: Spectrum recommends connecting your modem directly to a wall outlet and not using a splitter. If you must use a splitter, please make sure it is rated at 3.5 dBmv.

Install New Modem

  1. Select the Get Started button.

 

Self install portal

 

  1. Complete the required account verification fields

 

Self install verification fields

 

Equipment available for activation will display on the lefthand side of the screen.

 

  1. Select the Activate button.
  2. Test your connection by visiting Spectrum.net.
  3. If you need further assistance, please contact us.

 

Self install activation

 

Replace Existing Modem

The following steps will help you replace your old modem.

Note: DOCSIS 1.0/1.X modems are no longer supported on our network. To get a replacement modem, contact us or visit a Spectrum store. Please recycle your old modem or bring it to a Spectrum store for proper disposal. If you do a modem swap with us, you'll receive a mail return label in your package which can be used to return your old modem.

Once you've accessed the activation tool:

  1. Refer to your self-install kit or get detailed instructions.
  2. Open your web browser or visit spectrum.net/selfinstall on your wireless device.
  3. Select the Get Started button.
  4. Complete the required account verification fields.

Equipment available for activation will display on the lefthand side of the screen.

  1. Select the Activate button.
  2. Test your connection by visiting Spectrum.net.
  3. If you need further assistance, please contact us.

Service Limits

If you attempt to install your own device from our authorized modems list you'll need to call us to have it activated. The online activation portal does not currently support customer-owned equipment.