How to swap your phone's SIM card
Sprint has a 3-in-1 universal SIM card that is designed to fit in any of the eligible phones. View the graphic below to determine the appropriate SIM card for your phone.
For instructions to replace/install SIM for other phones visit sprint.com/devicesupport and type in the phone name and "SIM" in the search support bar. Only unlocked Samsung Galaxy S8/S8+ phones will use ISIM cards. All other phones with use CSIM cards.
View the graphic below for instructions on how to swap our your iPhone's SIM card.