Introduction
Use this guide to eject the SIM card tray in your Samsung Galaxy A40. Ejecting this hybrid SIM tray allows you to add a microSD memory card, replace the nano SIM card or add a second nano SIM card.
Tools
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            Insert a SIM card eject tool, a SIM eject bit or a straightened paper clip into the hole on the SIM tray located on the left side of the phone. 
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            Press your SIM card eject tool firmly into the hole in order to eject the SIM card tray. 
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            Remove the SIM card tray. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.