How to install or remove SIM/USIM card on Galaxy Tab S4?
To install/remove SIM or USIM, follow the instructions below:
Installing the SIM or USIM card
Insert the SIM or USIM card provided by the mobile telephone service provider.
Please note:
• Use only a nano-SIM card
• Be caution not to lose or let others use the SIM or USIM card. Samsung is not responsible for any damages or inconveniences caused by lost or stolen cards

Please note:
• Ensure that the ejection pin is perpendicular to the hole. Otherwise, the device maybe damaged
Please note:
• If the card is not fixed firmly into the tray, the SIM card may leave or fall out of the tray
Please note:
• Your device may be damaged if wet tray is inserted. Always make sure the tray is dry
• Fully insert the tray into the slot to prevent liquid from entering your device
Removing the SIM or USIM card
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