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 XR Apple iPhone XR](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-0dacd9ef-2ce8-46eb-809d-d67cf7475f9e.png?width=480&height=480)