1. View SIM lock status
Insert a SIM from another operator and turn on your phone. The screen will tell you if your phone is SIM locked.
See how to insert your SIM.
![Apple iPhone 12 Apple iPhone 12](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-bf2df0e9-996f-4af7-b8e6-cb45f136ab53.png?width=480&height=480)