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 11 Pro Apple iPhone 11 Pro](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-3ace2c10-511e-4b3b-9ba8-5bcac598a5ae.png?width=480&height=480)