It is typically as easy to cut through the metal of the SIM card as it is the plastic card surrounding it. You can also use regular scissors but the smaller pair offer more accuracy.

A nano SIM is the smallest SIM card. You’ll find it in phones such as the iPhone 7, iPhone 7 plus, Samsung Galaxy S8. A micro SIM is the second smallest size of SIM card.

It is typically as easy to cut through the metal of the SIM card as it is the plastic card surrounding it. You can also use regular scissors but the smaller pair offer more accuracy.