Phone · OnePlus · Nord N30 5G
OnePlus Nord N30 5G Microphone Repair
Microphone Repair guide for the OnePlus Nord N30 5G
Before you begin
Tools
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Spudger tool
- Precision screwdriver set (Phillips #000)
- Tweezers
- Clean workspace mat
- Anti-static wrist strap
Parts / materials
- Replacement sub-board with primary microphone
- Precut back cover adhesive tape
- Isopropyl alcohol (99%)
- Lint-free microfiber cloth
Safety
- Always disconnect the battery before handling internal board components.
- Do not overheat the plastic back panel to avoid warping or damaging internal components.
- Exercise extreme caution around coaxial antenna connectors to prevent snapping the tiny leads.
- Wear an anti-static wrist strap to protect sensitive micro-components from electrostatic discharge.
Overview
Step-by-step
- 1
Power off the phone
1 minPress and hold the Power and Volume Up buttons simultaneously, then select Power Off on the screen.
- 2
Remove the SIM tray
1 minInsert a SIM eject tool into the hole on the left side of the frame to release and extract the SIM tray.
- 3
Heat the back cover
2 minUse a heat gun or hair dryer on low heat to warm the outer edges of the back cover for two minutes to soften the adhesive.
- 4
Attach the suction cup
1 minPlace a suction cup near the bottom edge of the back panel and pull gently upward to create a small seam.
- 5
Insert an opening pick
1 minSlide a plastic opening pick into the gap between the plastic back cover and the central frame.
- 6
Slice the edge adhesive
3 minMove the pick along the bottom, sides, and top edges to fully separate the perimeter adhesive.
- 7
Lift off the back cover
1 minCarefully remove the back cover from the phone chassis and set it face down on your work mat.
- 8
Unscrew the lower loudspeaker
3 minUse a Phillips #000 screwdriver to remove the seven screws securing the lower speaker enclosure.
- 9
Remove the loudspeaker module
2 minInsert the flat end of a spudger beneath the edge of the loudspeaker assembly and lift it out of the housing.
- 10
Disconnect the battery flex
2 minPry up the protective motherboard cover corner and unclip the battery press-connector using a spudger to kill power.
- 11
Disconnect the main interconnect flex
1 minUnclip the lower interconnect flex cable connector from the daughterboard using a plastic spudger.
- 12
Disconnect the antenna coaxial cables
2 minUse precision tweezers to carefully pop the black and white coaxial antenna heads off their sub-board sockets.
- 13
Remove the daughterboard retaining screw
1 minUnscrew the single Phillips #000 screw holding the bottom daughterboard to the frame.
- 14
Remove the microphone sub-board
2 minPry up the sub-board containing the primary microphone assembly and USB-C port using a spudger.
- 15
Inspect the frame microphone port
2 minClean out any dirt, debris, or damaged rubber gaskets from the lower microphone port opening in the frame.
- 16
Install the new microphone board
2 minPlace the replacement daughterboard into the lower housing, ensuring the microphone aligns with the frame channel.
- 17
Reattach cables and speaker
4 minReconnect the antenna leads, interconnect flex, and battery, then reinstall the loudspeaker module and tighten all screws.
- 18
Seal the back cover
3 minApply fresh precut adhesive tape along the frame border, press the back cover firmly into place, and hold for 30 seconds.
After your OnePlus Nord N30 5G microphone repair
Power the Nord N30 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 N30 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 N30 5G repair context in the encyclopedia, or open related DIY guides.
