Device Guides

Search in Optus E5331 WiFi Modem
How to
Start using my router
Before you start using your router, you need to follow the instructions below.
Turn the back of your router towards you.
Take hold of the right side of the back cover and remove it.
Place your SIM as illustrated in the SIM holder.
Slide your SIM into the holder.
Place the battery in your router (right side first), matching the battery contacts with the contacts in your router, and press the battery into place.
Place the back cover on your router and press it into place.
Tap and hold On/Off.
Do the following in Windows:
Click the Windows icon.
Click Connect To.
If required, click the refresh icon.
You can see the name and password for your Wi-Fi hotspot on the inside of the back cover.
Highlight the name of your Wi-Fi Hotspot and click Connect.
Key in the password for your Wi-Fi Hotspot and click Connect.
Click Close.
A connection to your Wi-Fi Hotspot is established.


Open a browser.
Key in 192.168.1.1 in the address bar and tap Enter.
Please note:
If an incorrect PUK is entered ten times in a row, your SIM is blocked permanently. In this case, you'll need a new SIM from Optus.
If you're asked to key in your PIN:
Highlight the field next to "PIN code" and key in your PIN (default is 0000).
Please note:
If an incorrect PUK is entered ten times in a row, your SIM is blocked permanently. In this case, you'll need a new SIM from Optus.
Click Apply.
Please note:
If an incorrect PUK is entered ten times in a row, your SIM is blocked permanently. In this case, you'll need a new SIM from Optus.
If the router web interface tells you that no connection has been established:
Click CONNECT.
Please note:
If an incorrect PUK is entered ten times in a row, your SIM is blocked permanently. In this case, you'll need a new SIM from Optus.
Highlight the field below "User name" and key in admin
Please note:
If an incorrect PUK is entered ten times in a row, your SIM is blocked permanently. In this case, you'll need a new SIM from Optus.
Highlight the field below "Password" and key in admin
Please note:
If an incorrect PUK is entered ten times in a row, your SIM is blocked permanently. In this case, you'll need a new SIM from Optus.
Click Log In.
A connection to the internet is established.
Please note:
If an incorrect PUK is entered ten times in a row, your SIM is blocked permanently. In this case, you'll need a new SIM from Optus.