Phone · Google · Pixel 3a XL
Google Pixel 3a XL Microphone Repair
Microphone Repair guide for the Google Pixel 3a XL
Before you begin
Tools
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Spudger tool
- Tweezers
- Precision screwdriver set (Phillips #000, #00)
- Anti-static wrist strap
Parts / materials
- Replacement Pixel 3a XL microphone daughterboard
- Pre-cut display adhesive strips
- High-concentration isopropyl alcohol (91%+)
Safety
- Disconnect the battery before touching internal components to prevent short circuits.
- Wear eye protection to guard against potential glass shards during screen removal.
- Avoid overheating the display surface to prevent permanent panel discoloration.
Overview
Step-by-step
- 1
Eject SIM Card Tray
1 minInsert a SIM eject tool or paperclip into the tray hole on the side of the device to pop out the SIM tray.
- 2
Heat Display Edges
3 minApply heat evenly around the perimeter of the screen using a heat gun or hair dryer to soften the display adhesive.
- 3
Attach Suction Cup
1 minPress a suction cup firmly onto the lower third of the glass display screen.
- 4
Slice Display Adhesive
5 minPull up on the suction cup and slide a plastic prying tool around all four edges to slice through adhesive.
- 5
Lift Display Assembly
2 minGently hinge the screen open from the bottom, taking care not to strain the flex cable near the top.
- 6
Unbolt Display Cable Bracket
2 minRemove the screws securing the metal display cable shield using your precision screwdriver.
- 7
Disconnect Display Flex Cable
1 minPry the display ribbon cable connector straight up from its motherboard socket with a spudger tool.
- 8
Unscrew Midframe Fasteners
4 minRemove all perimeter screws securing the inner plastic midframe to the rear casing.
- 9
Lift Out Plastic Midframe
2 minInsert a spudger under the midframe edge and lift the frame completely out of the phone.
- 10
Disconnect Battery Cable
1 minDisconnect the battery press connector from the motherboard to safely cut electrical power.
- 11
Remove Daughterboard Screws
2 minRemove the screws holding the bottom microphone daughterboard assembly in place.
- 12
Unplug Daughterboard Ribbon Cable
1 minUse a spudger to detach the main interconnect ribbon cable from the bottom daughterboard.
- 13
Disconnect Antenna Coaxial Cable
1 minGently pry the small coaxial antenna cable off its connector on the bottom board using tweezers.
- 14
Remove Faulty Microphone Board
2 minPry up and extract the bottom daughterboard containing the primary microphone module.
- 15
Install New Microphone Daughterboard
2 minPosition the new microphone board into the bottom frame slot and press it down flush.
- 16
Reconnect Antenna and Flex Cables
3 minSnap the coaxial antenna head and the ribbon interconnect connector firmly onto the new board.
- 17
Reinstall Midframe and Connectors
5 minReconnect the battery, install the plastic midframe with screws, and reconnect the display cable bracket.
- 18
Apply Adhesive and Seal Display
4 minApply fresh pre-cut adhesive along the perimeter frame, align the display screen, and press firmly to seal.
After your Google Pixel 3a XL microphone repair
Power the Pixel 3a XL 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 3a XL 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 3a XL repair context in the encyclopedia, or open related DIY guides.
