How to insert SIM/microSD Card in Samsung Galaxy S8+(SM-G955)?

A SIM (Subscriber Identity Module) card is a smart card that can store user information on a cellular phone. A SIM card can send and receive settings and information from the network and the user phone. The SIM card is usually located in the back inner part of the cellular device, behind or near the battery, and can be taken out and replaced if the phone is not locked. 

Locate the SIM card tray → Pull out the tray → Insert SIM → Re-insert the SIM tray 

NOTE: When you subscribe to a cellular network, you are provided with a plug-in SIM card.

a). Locate the SIM/microSD card tray.

b). Insert the Removal tool into the hole on the tray, and then push in until the tray pops out.

NOTE: Take caution not to insert the ejector tool into the microphone hole located next to the SIM/microSD card slot.  

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

d). Place your SIM card on the bottom and the microSD card on the top of the tray, with the gold contacts facing down. Slide the tray back into the slot.

CLICK HERE to know how to remove SIM/microSD Card in Samsung Galaxy S8+ ( SM-G955 ).