SIM/SD tray compatible with LG V40 ThinQ / LG G8 ThinQ. The SIM tray is essential in case the existing one is broken or damaged. This tray allows the SIM card to be inserted into the phone body and ensures a good connection. To open your device's SIM case, insert a pin or SIM eject tool into the slot next to the tray. Each piece has been tested before shipping.