How to install the SIM card in Samsung Galaxy S7 Edge(SM-G935FD)?

Place the SIM card into SIM card slot on your Samsung device.

Eject the tray → Place the SIM card on tray → Gently insert the tray back in slot 

 
Below mentioned are the pictorial representation as follows :  

a). Insert the Ejection pin into the hole on the tray to loosen the tray.

NOTE : Ensure that the Ejection pin is perpendicular to the hole. Otherwise, the device maybe damaged.

b). Pull out the Tray gently from the tray slot.

c). Place the primary SIM card on the tray 1 and the secondary SIM card on the tray 2 as shown below.

NOTE : Only Nano-SIM cards work with the device. Use caution not to insert the SIM card on position for memory card. 

d). Gently press the SIM card into the tray to secure it.

NOTE : If the card is not fixed firmly into the tray, the SIM card may leave or fall out of the tray.

e). Insert the Tray back into the tray slot.

NOTE : If you insert the tray into your device while the tray is wet, your device may be damaged. Always make sure the tray is dry. Fully insert the tray into the tray slot to prevent liquid from entering your device.  

CLICK HERE to know how to remove the SIM card from Samsung Galaxy S7 Edge ( SM-G935FD ).