1. View Network Provider 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 13 Apple iPhone 13](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-ec5db17b-4559-4c45-af21-5b67c5068281.png?width=480&height=480)