The beauty of our Prepaid plans are that they allow you to use your mobile phone how you like, when you like, without resulting in nasty surprise bills at the end of .Shop the latest mobile phones tablets. Find awesome value broadband internet, home phone TV entertainment packages at Optus. Learn more..Purchase a phone and connect with the Optus network with an Optus X Smart Prepaid Smartphone..Optus Smart Safe. A smart way to store, access and share your important documents. Store your important documents Access your photos and music anywhere.Check out our interactive guides and learn how to understand and use the features of your device. Search for your device or check out one of our most popular devices .