Device Guides

Search in Optus E5331 WiFi Modem
How to
Writing and sending SMS
Want to write and send an SMS? Follow these easy instructions.
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.
Click Log In.
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.
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 SMS.
Click New Message.
Highlight the field below "Recipients" and key in the required number.
Highlight the field below "Content" and write the SMS.
Click Send.
Click Log Out.
Click OK to confirm.