Samsung Galaxy S7 User Manual page 18

Caution: Exercise care when using the removal tool to eject the internal
SIM card/Memory card tray.
1. Insert the removal tool into the hole on the SIM card/Memory
card tray, and then push until the tray pops out.
2. Place the SIM card on the tray.
•
Make sure that the card's gold contacts face down into the
device and that the card is positioned as shown.
3. Place the memory card on the tray with the gold contacts facing
down.
4. Slide the SIM card/Memory card tray back into the slot.
Important: To prevent water and dust from entering the device, remove
any dust on the O-Ring and ensure that the SIM card tray is closed
tightly.
Caution: If the SIM card is not inserted correctly, the device cannot
detect the it. Reorient the SIM card and place it back into the slot if it is
not detected.
Getting Started 7 Assemble Your Device