Skip to main content

Phone · Google · Pixel 4a

Google Pixel 4a Back Glass Repair

Back Glass Repair guide for the Google Pixel 4a

Difficult
~31 min
18 steps

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

# Google Pixel 4a Back Glass Repair Repair Guide Action-specific back glass repair walkthrough for the Google Pixel 4a. About 31 minutes across 18 steps. This DIY guide walks through back glass repair on the Google Pixel 4a (Pixel series phone). Before you open the device, confirm the exact model number on the Google settings screen or rear housing so your replacement part matches the Pixel 4a specifically—not a similar Pixel sibling. Most DIY techs finish this Google Pixel 4a back glass repair in about 31 minutes when parts and tools are ready. Difficulty is rated advanced for this model. Recommended tools for this Google Pixel 4a job: Heat gun or hair dryer, Suction cup tool, Opening picks, Spudger tool, T3 Torx screwdriver, SIM eject tool, Tweezers. Parts and supplies: Replacement back cover assembly, Pre-cut back cover adhesive strips, Isopropanol alcohol (91%+). Power the Pixel 4a off completely, remove SIMs/SD cards if present, and work on a clean, well-lit surface with a magnetic mat for screws. If a step feels wrong for your Google Pixel 4a, stop and compare the connector layout to the photos in this guide. When you prefer a same-day pro repair in Seattle instead, LML Repair can handle back glass repair for this model with tested parts and a workmanship warranty.

Step-by-step

  1. 1

    Power Off Phone

    1 min

    Press and hold the power button, then tap Power Off on the screen. Ensure the device is completely powered down before proceeding.

  2. 2

    Eject SIM Tray

    1 min

    Insert a SIM eject tool or paperclip into the hole next to the SIM tray. Push firmly to eject the tray and remove it.

  3. 3

    Heat Back Cover Edges

    2 min

    Apply a heat gun or hair dryer along the perimeter of the back cover for two minutes to soften the adhesive.

  4. 4

    Attach Suction Cup

    1 min

    Place a suction cup near the bottom edge of the rear panel and press down firmly to secure suction.

  5. 5

    Insert Opening Pick

    2 min

    Pull up on the suction cup to create a small gap, then insert an opening pick under the plastic back cover.

  6. 6

    Separate Bottom Edge

    2 min

    Slide the opening pick horizontally along the bottom seam to release the internal plastic clips and adhesive.

  7. 7

    Slice Left Side Adhesive

    2 min

    Slide the pick around the bottom-left corner and up along the left edge of the device to unclip the shell.

  8. 8

    Slice Right Side Adhesive

    2 min

    Insert a second pick and slide it up the right edge, carefully releasing the plastic retention clips.

  9. 9

    Release Top Edge

    2 min

    Gently work the pick across the top edge, taking care not to insert it deeper than 3 millimeters near the camera cutout.

  10. 10

    Pry Open Back Cover

    1 min

    Lift the left side of the back cover like a book, opening it carefully from the left.

  11. 11

    Unscrew Connector Bracket

    2 min

    Use a T3 Torx screwdriver to remove the single screw securing the fingerprint sensor connector bracket.

  12. 12

    Disconnect Fingerprint Cable

    1 min

    Use the flat end of a spudger to pry the fingerprint sensor flex cable straight up from its socket.

  13. 13

    Remove Back Cover

    1 min

    Lift the old back cover away from the chassis completely and set it on your workspace.

  14. 14

    Detach Fingerprint Reader

    3 min

    Apply light heat to the old back cover's fingerprint sensor area and carefully peel the sensor module free using a spudger.

  15. 15

    Install Fingerprint Sensor

    2 min

    Align and adhere the fingerprint reader into its recess on the replacement back cover panel.

  16. 16

    Reconnect Fingerprint Cable

    2 min

    Position the back cover near the chassis and press the flex cable connector firmly into its motherboard socket.

  17. 17

    Secure Connector Bracket

    2 min

    Reposition the metal bracket over the connector and tighten the T3 Torx screw until snug.

  18. 18

    Snap Back Cover Closed

    2 min

    Align 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.

logo_footer

Stay in the loop

Get new guides, reviews, and repair news.

© 2026 LML Repair. All rights reserved.