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 Max Apple iPhone 13 Pro Max](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-62076b39-738f-4aba-b27e-7eb736f7f3dc.png?width=480&height=480)