To remove the SIM card from your iPhone, you'll need to eject the SIM card tray with a special tool or paperclip.
If you can't make a call or if you see an error message that your phone's SIM card is not working, there are several ways to ...
For many years, mobile phones received cellular service through a physical SIM (subscriber identity module) card that connected your handset to your phone carrier. These physical SIM cards made it ...