Inserting SIM, microSD Card in Galaxy S9 / S9+
Yep, once again the Galaxy S9 and Galaxy S9+ both have a dual SIM and microSD card tray. They take nano SIM cards, specifically, and hold up to 400GB of extra storage via SD slot.
This simple video just shows you where that tray is and how you can eject it in order to put in a SIM from your carrier and an SD card.
