Device Guides
I can't turn on my tablet
This troubleshooting guide will take you through a number of possible causes to help you find a solution to your problem.
Possible cause 6:
Your tablet is locked to Optus: To use a SIM from another service provider, you'll need to unlock your tablet by visiting the Optus Unlock Your Device page.
![Samsung Galaxy Note 10.1 (2014 Edition)](https://wmstatic.global.ssl.fastly.net/ml/6120724-3560913.png?width=230&height=400)