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