Introdução
The daughterboard is the component that encloses the lower microphone, and SIM card reader.
A damaged daughter board could result in not being able to hear during calls or the SIM card not being read even when inserted.
Ferramentas
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Insert a paperclip or SIM card ejector into the small hole located at the bottom of phone.
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Gently push to release and remove the SIM card.
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Use an iOpener, heat gun, or hairdryer to gently heat the perimeter of the phone.
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Insert and slide the iFixit opening pick around heated edges to sever the adhesive securing the rear cover.
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While applying light pressure, remove the camera bezel cover by sliding the jimmy along the edges.
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Use the flat end of a spudger to to pry up and disconnect the two press connectors on either side of the battery.
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Located in the bottom left corner of the battery, remove the tape (black in the image) with a spudger.
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Insert the flat end of the spudger under each of the three press connectors and gently pry them up to disconnect them.
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Disconnect the three coaxial connectors (black, white, and blue) with tweezers by pulling them straight up.
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Use a Phillips #00 screwdriver to remove the two 1.5 mm silver screws securing the daughterboard and charging port.
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Insert the flat end of the spudger under the daughterboard piece and lift it gently to remove it.
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To reassemble your device, follow the above steps 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.