Phone · Google · Pixel 9 Pro
Google Pixel 9 Pro Microphone Repair
Microphone Repair guide for the Google Pixel 9 Pro
Before you begin
Tools
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Spudger tool
- Precision screwdriver set (Phillips #000, Torx T3)
- Tweezers
- SIM eject tool
Parts / materials
- Pixel 9 Pro lower daughterboard with primary microphone
- Pre-cut rear glass adhesive gasket
- Isopropyl alcohol (90%+ high purity)
Safety
- Discharge the battery below 25% prior to opening to minimize thermal hazard risks.
- Wear safety glasses to protect against potential glass splintering.
- Avoid applying excessive heat near the camera module and battery.
Overview
Step-by-step
- 1
Power off phone and eject SIM tray
1 minTurn off the Google Pixel 9 Pro completely. Insert a SIM eject tool into the SIM tray hole on the bottom edge and push to eject the tray.
- 2
Heat rear glass perimeter
3 minApply heat around the rear glass edges with a heat gun for 2 to 3 minutes to soften the underlying adhesive.
- 3
Attach suction cup to bottom glass
1 minPlace a suction cup near the bottom edge of the rear cover. Pull upward firmly to create a small separation gap.
- 4
Slice rear panel adhesive
4 minInsert a plastic opening pick into the gap. Gently slide it around all four edges of the back cover to cut the adhesive.
- 5
Pivot open rear glass
2 minCarefully open the back glass from the left side like a book. Be mindful not to strain any lingering flex connections.
- 6
Remove loudspeaker assembly screws
2 minUnscrew the lower speaker housing retention screws using a precision Torx T3 or Phillips screwdriver.
- 7
Disconnect battery press connector
1 minUse the flat end of a spudger to pop the battery flex cable off the mainboard to isolate power.
- 8
Lift out loudspeaker module
2 minPry up the lower speaker module with a plastic prying tool and set it aside.
- 9
Disconnect daughterboard ribbon cables
2 minLever up the main interconnect press connectors from the lower USB-C and microphone sub-board.
- 10
Unclip antenna coaxial cables
2 minUse fine tweezers to carefully disconnect the coaxial antenna cables from the lower board.
- 11
Remove lower microphone sub-board
2 minGently lever up the lower sub-board containing the primary microphone assembly from the chassis using a spudger.
- 12
Clean internal microphone acoustic channel
2 minInspect and clean the frame's microphone port opening using tweezers and a cotton swab dampened with isopropyl alcohol.
- 13
Insert new microphone sub-board
2 minPlace the replacement sub-board into the bottom chassis recess, ensuring the microphone aligns with the frame opening.
- 14
Reconnect antenna and ribbon cables
2 minSnap the coaxial antenna connectors and main interconnect flex cables onto the new daughterboard.
- 15
Reinstall loudspeaker enclosure
2 minPlace the speaker module back over the daughterboard and secure all original retention screws.
- 16
Reconnect battery flex cable
1 minAlign the battery press connector over its socket and press straight down until it clicks.
- 17
Apply replacement glass adhesive
3 minClean remaining original adhesive off the frame perimeter with isopropyl alcohol, then line the frame with a pre-cut adhesive strip.
- 18
Seal rear glass panel
2 minAlign the back glass over the frame and press down firmly along all edges to establish a secure, weather-resistant seal.
After your Google Pixel 9 Pro microphone repair
Power the Pixel 9 Pro 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 Google Pixel 9 Pro job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Keep learning
Explore more Google Pixel 9 Pro repair context in the encyclopedia, or open related DIY guides.
