Want to know how iPhone writes SIM card by itself? Then follow the editor to try it out!
1. Open the iPhone’s settings menu and select the cellular network option.
2. Enter the cellular network settings interface, find and open the SIM card application settings page.
3. In the SIM card application settings page, click to enable the self-service card writing function to complete the operation.
4. The above are all the steps, I hope it can help you!
