Optus Device Check is a free Android app developed by Optus Mobile Pty Ltd that helps customers assess their device for an Optus upgrade. The app is designed for Optus customers who are looking to upgrade their device in a hassle-free manner. With just a few taps, users can perform an assessment of their device in as little as 2 minutes.

The app is easy to use and guides users through the upgrade process step-by-step. Users will need to answer a few short questions about the physical condition of their device and then the app will run diagnostic tests to determine their upgrade eligibility and cost. The app provides accurate and relevant information to users, making it easier for them to make an informed decision about their device upgrade.