* To find out how to insert a SIM card into your Apple iPhone 11, follow these step-by-step instructions:
* Open the SIM card holder on the side of the Apple iPhone 11 with the removal tool.
* Take the SIM holder out of the Apple iPhone 11.
* Insert the SIM into the SIM holder.
* Insert the SIM holder into the SIM slot.
* To turn the Apple iPhone 11 on and off, or to reboot, press the power button.