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Installing a new S33v2 modem and the default login settings won't work

  • July 15, 2025
  • 1 reply
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So I just got a new s33 and I successfully registered it with my ISP provider. Now I am attempting to the device by changing the login from the default settings to personal settings.  When I attempt to enter the default settings as they are in the manual i get an error message saying they are incorrect.  Do I contact the ISP provider first or do I contact Arris for technical support?

 

Best answer by SURFboard Moderator

Please try using admin (all lowercase) as the username and password (all lowercase) as the password. If these credentials don’t work, try using the last eight digits of the serial number as the password, while keeping the username as admin.

If you've been locked out of the interface page, we recommend performing a factory reset to restore access.

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Please try using admin (all lowercase) as the username and password (all lowercase) as the password. If these credentials don’t work, try using the last eight digits of the serial number as the password, while keeping the username as admin.

If you've been locked out of the interface page, we recommend performing a factory reset to restore access.


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