Introduction
Use this guide to replace the SIM card in your Samsung Galaxy S21 Ultra.
What you need
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Insert a SIM eject tool, bit, or straightened paper clip into the SIM card tray hole on the top edge of the phone.
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Press the SIM eject tool into the SIM card tray hole to eject the SIM card tray.
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Remove the SIM card tray.
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Almost done!
To reassemble your device, follow these instructions in reverse order.
After you've completed the repair, follow this guide to test your repair.
Conclusion
To reassemble your device, follow these instructions in reverse order.
After you've completed the repair, follow this guide to test your repair.
