LG G6 User Manual page 13

Replacing the SIM card
The SIM card is pre-installed in your smartphone. If you need to replace
your SIM card, refer to the following instructions.
1. Turn the phone off and, with the phone's screen facing up, insert the tool
that came with your phone into the hole on the SIM/microSD card tray to
partially eject the tray. Then, carefully pull the card tray out.
2. Remove the SIM card from the card tray.
3. Place the SIM card on the card tray with the gold contacts facing
downwards. Make sure that card is positioned as shown in the image
above.
4. Carefully insert the card tray back into the slot and close it.
The Basics
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