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This is a prerequisite guide! This guide is part of another procedure and is not meant to be used alone.
Use this guide to replace a damaged NFC antenna, charging coil assembly, and loudspeaker on your Samsung Galaxy S21 Ultra.
If you do not replace the adhesive seals when reassembling, your device will function normally, but will most likely lose its water protection.
You’ll need replacement adhesive to reattach components when reassembling the device.
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Insert an opening pick underneath the left bottom end of the NFC antenna and charging coil assembly.
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Carefully slide the opening pick along the bottom left edge of the assembly to separate it from the battery.
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Use a spudger to disconnect the charging coil by prying the connector straight up from its socket.
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Use a spudger to disconnect the NFC antenna by prying the connector straight up from its socket.
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Use a Phillips screwdriver to remove the five 3.9 mm-long screws securing the NFC antenna and charging coil assembly.
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Use a Phillips screwdriver to remove the four 3.9 mm-long screws securing the loudspeaker assembly.
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Insert the tip of a spudger between the frame and the upper-left notch in the loudspeaker.
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Pry up with the spudger to release the loudspeaker from its plastic clips.
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crwdns2935267:0crwdne2935267:0Tweezers$4.99
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Use a pair of tweezers or your fingers to carefully remove the NFC antenna, charging coil, and loudspeaker assembly.
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If possible, turn on your device and test your repair before installing new adhesive and resealing.
Compare your new replacement part to the original part—you may need to transfer remaining components or remove adhesive backings from the new part before installing.
To reassemble your device, follow these instructions in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.
If possible, turn on your device and test your repair before installing new adhesive and resealing.
Compare your new replacement part to the original part—you may need to transfer remaining components or remove adhesive backings from the new part before installing.
To reassemble your device, follow these instructions in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.
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