Phone · OnePlus · Nord N20 SE
OnePlus Nord N20 SE Microphone Repair
Microphone Repair guide for the OnePlus Nord N20 SE
Before you begin
Tools
- Precision screwdriver set (Phillips PH00)
- Plastic opening picks
- Plastic spudger
- Suction cup
- Tweezers
- Heat gun or hair dryer
- SIM eject tool
Parts / materials
- OnePlus Nord N20 SE replacement microphone daughterboard
- Pre-cut rear cover adhesive tape
- Isopropyl alcohol (99%)
Safety
- Wear protective eyewear when heating and prying glass or plastic panels
- Use an anti-static wrist strap to avoid electrostatic discharge to logic components
- Never bend, puncture, or apply direct heat to the lithium-ion battery
Overview
Step-by-step
- 1
Power Down Device
1 minTurn off your OnePlus Nord N20 SE completely before beginning any disassembly.
- 2
Eject SIM Card Tray
1 minInsert a SIM eject pin into the hole on the left edge of the phone and remove the tray.
- 3
Heat Rear Cover
2 minApply a heat gun or hair dryer along the edges of the back panel for two minutes to soften the adhesive.
- 4
Attach Suction Cup
1 minPress a suction cup onto the lower portion of the rear cover and pull upward to create a small gap.
- 5
Slice Rear Adhesive
4 minInsert a plastic opening pick into the gap and slide it along the perimeter to slice through the rear tape.
- 6
Lift Off Back Cover
2 minCarefully separate the back cover from the chassis and set it aside.
- 7
Unscrew Midframe Screws
3 minUse a Phillips PH00 driver to remove all Phillips screws securing the plastic midframe.
- 8
Unclip Middle Frame
3 minRun a plastic spudger along the seam between the frame and display assembly to release the plastic midframe clips.
- 9
Disconnect Battery Cable
1 minPry the battery press connector straight up off the motherboard using a plastic spudger to disconnect power.
- 10
Unscrew Loudspeaker Module
2 minRemove the Phillips screws securing the lower loudspeaker housing at the bottom of the phone.
- 11
Remove Loudspeaker Assembly
2 minPry up the loudspeaker module using a plastic opening tool and set it aside.
- 12
Disconnect Sub-Board Interconnect Cable
1 minUse a spudger to disconnect the main interconnect flex cable press connector from the daughterboard.
- 13
Disconnect Antenna Coaxial Cable
1 minGently pry up the antenna coaxial cable connector from the daughterboard using tweezers.
- 14
Remove Microphone Sub-Board
2 minInsert a spudger under the lower daughterboard containing the microphone and carefully pry it out of the recess.
- 15
Install Replacement Sub-Board
2 minAlign the new sub-board into the lower housing, ensuring the microphone aligns with the frame's microphone port.
- 16
Reconnect Antenna and Flex Cables
2 minPress the coaxial antenna cable and main interconnect flex cable firmly back onto their sockets.
- 17
Reinstall Loudspeaker and Midframe
4 minPosition the speaker assembly and midframe back over the phone, then secure all Phillips screws.
- 18
Reseal Back Cover
3 minApply fresh double-sided adhesive tape along the rear housing edges, then press the back cover firmly into place.
After your OnePlus Nord N20 SE microphone repair
Power the Nord N20 SE 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 SE 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 SE repair context in the encyclopedia, or open related DIY guides.
