Introduction
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.
What you need
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Use a Phillips #00 screwdriver to remove the seven 5 mm screws securing the motherboard.
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Conclusion
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.