In this tutorial, you will learn how to:
• Locate SIM tray
• Insert or remove SIM & microSD card
A No SIM notification will be displayed in the Notification bar of the lock screen when there is no SIM card in the device.
Locate SIM tray
The SIM & microSD tray is located on the top left side of the device. To insert a SIM or microSD card, insert a SIM tool into the small hole to eject the SIM & microSD tray.
Note: To prevent data corruption, it is recommended to unmount your memory card before removing it. To unmount your memory card, from the home screen swipe down from the Notification bar, then select the  Settings icon > Battery and device care > Storage > Menu icon > Advanced > SD card > Unmount.Â
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Insert or remove SIM & microSD card
• Insert or remove the Nano SIM card into the SIM tray with the gold contacts facing down and the notched edge in the lower left. Gently press the SIM card in until it clicks into place.
• Insert or remove the microSD card into the SIM tray with the gold contacts facing down and the notched edge on the lower left. Gently press the microSD card in until it clicks into place.
Storage
Samsung Galaxy S20 5G
Internal Memory: Up to 128GB
External Memory: Up to 1TB
Samsung Galaxy S20+ 5G
Internal Memory: Up to 128GB or 512GB
External Memory: Up to 1TB
Samsung Galaxy S20 5G Ultra
Internal Memory: Up to 128GB or 512GB
External Memory: Up to 1TB