Phone · OnePlus · Nord N20 5G
OnePlus Nord N20 5G Microphone Repair
Microphone Repair guide for the OnePlus Nord N20 5G
Before you begin
Tools
- Phillips #00 screwdriver
- Heat gun or iOpener
- Suction handle
- Opening picks
- Spudger
- Precision tweezers
- SIM eject tool
Parts / materials
- Replacement OnePlus Nord N20 daughterboard with microphone
- Back cover adhesive tape
- 91% Isopropyl alcohol
- Cotton swabs
Safety
- Power off the device completely before beginning disassembly.
- Wear protective eyewear when working with heated adhesives and glass or plastic panels.
- Do not bend, puncture, or apply pressure to the internal battery.
- Use an anti-static wrist strap to avoid ESD damage to internal circuitry.
Overview
Step-by-step
- 1
Eject the SIM tray
1 minInsert a SIM eject tool into the hole next to the tray on the side of the phone. Push firmly to eject the tray and set it aside.
- 2
Heat the back cover
2 minUse a heat gun or iOpener around the rear edges of the phone for 2 minutes to soften the rear panel adhesive.
- 3
Attach the suction handle
1 minPlace a suction handle on the lower portion of the back cover and pull gently to create a small gap near the edge.
- 4
Insert an opening pick
2 minInsert an opening pick into the seam created between the back cover and the midframe.
- 5
Slice the back cover adhesive
3 minSlide the pick carefully around all edges of the rear panel to slice through the adhesive tape.
- 6
Remove the back cover
1 minLift the rear cover completely off the phone body and set it face down on a clean surface.
- 7
Unscrew the loudspeaker
2 minUse a Phillips #00 screwdriver to remove the screws securing the lower loudspeaker assembly.
- 8
Remove the loudspeaker module
1 minPry up the loudspeaker module using a flat spudger and lift it out of the bottom chassis.
- 9
Disconnect the main flex cable
1 minPry the bottom press connector of the main interconnect flex cable off the daughterboard using a spudger.
- 10
Disconnect the antenna cable
1 minUse precision tweezers to carefully pop the coaxial antenna cable off its socket on the daughterboard.
- 11
Unscrew the daughterboard
1 minRemove the single Phillips #00 screw securing the daughterboard to the bottom of the housing.
- 12
Remove the microphone sub-board
2 minGently lever up the daughterboard containing the defective microphone using a spudger and remove it.
- 13
Clean the microphone acoustic port
2 minUse a cotton swab dampened with isopropyl alcohol to clear dust or debris from the microphone hole in the frame.
- 14
Install the new sub-board
2 minSet the new microphone daughterboard into the bottom well and press down lightly until it rests flat.
- 15
Reconnect the antenna cable
1 minAlign the coaxial antenna cable head with its socket and snap it gently back into place using tweezers.
- 16
Attach the main flex cable
1 minAlign and snap the main interconnect flex connector down onto the socket on the new sub-board.
- 17
Reinstall the loudspeaker
2 minPosition the loudspeaker module over the daughterboard and secure it with the saved Phillips screws.
- 18
Apply back cover adhesive
3 minApply pre-cut replacement adhesive tape along the frame perimeter after clearing away old tape remnants.
- 19
Seal the back cover
2 minAlign the back panel carefully over the frame and press firmly along all edges to secure the seal.
After your OnePlus Nord N20 5G microphone repair
Power the Nord N20 5G back on and test the microphone repair function before you put every screw away. Check touch/display response, charging, cameras, buttons, and wireless as relevant to this repair. If something fails after closing the device, reopen carefully and reseat the connectors for this OnePlus Nord N20 5G job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Keep learning
Explore more OnePlus Nord N20 5G repair context in the encyclopedia, or open related DIY guides.
