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 15 Pro Apple iPhone 15 Pro](http://wmstatic.global.ssl.fastly.net/ml/7101024-f-893feafa-1dcd-48fc-a55d-1c1e9c7b3cea.png?width=480&height=480)