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 Xs Max Apple iPhone Xs Max](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-810d41b7-07ca-4caf-96ea-113989c28419.png?width=480&height=480)