Unlike the first generations of cellular phones, the iPhone doesn’t necessarily save much information on its Subscriber Identity Module or SIM card, the removable data chip that identifies your phone to the cellular network provider. However, it does save contacts, depending on the settings preferences on your iPhone. If you want to backup the contacts saved to your SIM card, you’ll need to transfer them to your iPhone’s memory and then sync the device with your computer. Tips Writer Bio

How to Backup a SIM Card on an iPhone - 40