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Samsung Galaxy S21 5G / S21+ 5G / S21 Ultra 5G - Insert / Remove SIM Card

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Here's how to properly insert or remove a SIM card for your Galaxy S21 5G / S21+ 5G / S21 Ultra 5G.

Don't attempt to insert the SIM card while the device is powered on. Doing so may harm the SIM card and / or the device.

Ensure the device is powered off.

From the bottom left edge of the device (display facing up), remove the card tray then do one of the following:

Insert SIM card:

Ensure the gold contacts are facing up, then press in on the card to lock into place.

Remove SIM card:

Once the tray is removed, lift the SIM card from the tray.