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 8 Apple iPhone 8](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-0e8ca4f9-5344-4fd9-b744-7655ed8cb9ab.png?width=480&height=480)