Phone · Google · Pixel 4a
Google Pixel 4a Back Glass Repair
Back Glass Repair guide for the Google Pixel 4a
Before you begin
Tools
- Heat gun or hair dryer
- Suction cup tool
- Opening picks
- Spudger tool
- T3 Torx screwdriver
- SIM eject tool
- Tweezers
Parts / materials
- Replacement back cover assembly
- Pre-cut back cover adhesive strips
- Isopropanol alcohol (91%+)
Safety
- Wear eye protection when heating and prying plastic components.
- Do not insert prying tools deeper than 3 mm to avoid damaging delicate flex cables.
- Disconnect the battery before performing internal repairs if exposed.
Overview
Step-by-step
- 1
Power Off Phone
1 minPress and hold the power button, then tap Power Off on the screen. Ensure the device is completely powered down before proceeding.
- 2
Eject SIM Tray
1 minInsert a SIM eject tool or paperclip into the hole next to the SIM tray. Push firmly to eject the tray and remove it.
- 3
Heat Back Cover Edges
2 minApply a heat gun or hair dryer along the perimeter of the back cover for two minutes to soften the adhesive.
- 4
Attach Suction Cup
1 minPlace a suction cup near the bottom edge of the rear panel and press down firmly to secure suction.
- 5
Insert Opening Pick
2 minPull up on the suction cup to create a small gap, then insert an opening pick under the plastic back cover.
- 6
Separate Bottom Edge
2 minSlide the opening pick horizontally along the bottom seam to release the internal plastic clips and adhesive.
- 7
Slice Left Side Adhesive
2 minSlide the pick around the bottom-left corner and up along the left edge of the device to unclip the shell.
- 8
Slice Right Side Adhesive
2 minInsert a second pick and slide it up the right edge, carefully releasing the plastic retention clips.
- 9
Release Top Edge
2 minGently work the pick across the top edge, taking care not to insert it deeper than 3 millimeters near the camera cutout.
- 10
Pry Open Back Cover
1 minLift the left side of the back cover like a book, opening it carefully from the left.
- 11
Unscrew Connector Bracket
2 minUse a T3 Torx screwdriver to remove the single screw securing the fingerprint sensor connector bracket.
- 12
Disconnect Fingerprint Cable
1 minUse the flat end of a spudger to pry the fingerprint sensor flex cable straight up from its socket.
- 13
Remove Back Cover
1 minLift the old back cover away from the chassis completely and set it on your workspace.
- 14
Detach Fingerprint Reader
3 minApply light heat to the old back cover's fingerprint sensor area and carefully peel the sensor module free using a spudger.
- 15
Install Fingerprint Sensor
2 minAlign and adhere the fingerprint reader into its recess on the replacement back cover panel.
- 16
Reconnect Fingerprint Cable
2 minPosition the back cover near the chassis and press the flex cable connector firmly into its motherboard socket.
- 17
Secure Connector Bracket
2 minReposition the metal bracket over the connector and tighten the T3 Torx screw until snug.
- 18
Snap Back Cover Closed
2 minAlign the replacement back cover over the frame and press firmly around all edges until the clips click into place.
After your Google Pixel 4a back glass repair
Power the Pixel 4a back on and test the back glass 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 4a 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 4a repair context in the encyclopedia, or open related DIY guides.

