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Optus Modem Login

This page covers how to log in to a Optus modem and configure common settings. The admin panel is usually available at 10.1.1.1. You will find the default login address, common credentials, and instructions for changing Wi-Fi settings.

Brands

// brands

top 25 brands

Optus

// router overview

Optus modems primarily use 10.1.1.1 for admin access, with credentials printed on the device. Models vary by manufacturer (Sagemcom, Netgear) but share Optus-specific firmware. Wi-Fi settings are typically under 'Setup and Configuration > WiFi'.

Manufacturer
Optus
Device type
modem
Common models
Optus Ultra WiFi (Gen 2), Sagemcom F@st 1201, Netgear (Optus variants)
Firmware
Optus Ultra · AU / Sagemcom Optus · AU

Unlike generic routers, Optus locks admin password changes and uses ISP-specific firmware. Interface labels match Optus documentation rather than manufacturer defaults.

Web interface

// common ip addresses

10.1.1.1PrimaryOn record192.168.0.1Used by Sagemcom models like F@st 1201192.168.1.1Alternative IP for some Netgear models

Models on record

// models

  • Optus Ultra WiFi (Gen 2)Uses 10.1.1.1, password on modem sticker
  • Sagemcom F@st 1201Uses 10.1.1.1 or 192.168.0.1, username 'optus'
  • Netgear (Optus variants)May require admin/password

Log in to your Optus modem

// login steps

  1. 01

    Open the Optus web interface at 10.1.1.1 or 192.168.0.1 or 192.168.1.1.

  2. 02

    Make sure your device (computer, phone, or tablet) is connected to the modem — either via Wi-Fi or with an Ethernet cable plugged directly into the modem.

  3. 03

    Open any web browser and type http://10.1.1.1 into the address bar. Press Enter. If the page does not load, try 192.168.1.1 or 192.168.0.1 instead.

  4. 04

    Wait for the login page to appear. This may take a few seconds.

  5. 05

    Enter admin as the username and password as the password. Then click the login button.

  6. 06

    After logging in, you will see the modem dashboard where you can manage all settings.

Change the Wi-Fi password on Optus

// wifi key

  1. 01

    Access admin interface via 10.1.1.1

  2. 02

    Go to 'Network > 2.4GHz > Configure SSID 1' (for 5GHz, select '5GHz' first)

  3. 03

    Enter new password in 'WPA Key' field

  4. 04

    Apply changes (confirmation varies by model)

Change the Wi-Fi name on Optus

// wifi name

  1. 01

    Log in to 10.1.1.1 (or model-specific IP)

  2. 02

    Navigate to 'Setup and Configuration > WiFi' (or 'Wireless Settings' for Netgear)

  3. 03

    Enter new name in 'WiFi network name' or 'SSID' field

  4. 04

    Save changes (may require modem reboot)

Factory reset this Optus

// factory reset

  1. 01

    Locate recessed reset button (usually on back)

  2. 02

    Hold with paperclip for 10+ seconds until lights flash

  3. 03

    Wait 5 minutes for full reset (uses sticker credentials)

Change the admin password on Optus

// admin password

  1. 01

    Note: Default admin passwords are printed on modem stickers. Optus does not document web UI password changes.

  2. 02

    If changed, reset modem to recover access

Device information

// device intel

Sagemcom

Supported models: Sagem F@st 1201, Sagem F@st 3864, and Sagemcom 3864V3 OP / 3864V3 AC.

If the login page does not open

// diagnostics

Having trouble accessing your Optus modem settings? Connection issues, rejected credentials, and slow-loading admin pages are common problems. Below are the most frequent issues and how to fix them quickly.

Frequently asked questions

// faq

Related routers and IP addresses

// related

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