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 Pro Apple iPhone 13 Pro](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-26bb3111-8322-411c-8b21-bc2dd2194ed7.png?width=480&height=480)