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Google Pixel 3a Battery Replacement

Battery Replacement guide for the Google Pixel 3a

Moderate
~45 min
18 steps

Before you begin

Tools

  • T3 Torx screwdriver
  • Plastic opening picks
  • Suction cup
  • Plastic spudger
  • Heat gun or iOpener
  • Precision tweezers
  • SIM eject tool

Parts / materials

  • Replacement Google Pixel 3a battery
  • Battery adhesive strips
  • Pre-cut display adhesive strip
  • Isopropyl alcohol (99%)

Safety

  • Discharge the phone battery below 25% before starting repair to prevent fire hazard if damaged.
  • Wear safety glasses while working near glass edges and adhesive pull tabs.
  • Do not puncture, flex, or pry against the battery with sharp metal tools.

Overview

# Google Pixel 3a Battery Replacement Repair Guide Action-specific battery replacement walkthrough for the Google Pixel 3a. About 45 minutes across 18 steps. This DIY guide walks through battery replacement on the Google Pixel 3a (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 3a specifically—not a similar Pixel sibling. Most DIY techs finish this Google Pixel 3a battery replacement in about 45 minutes when parts and tools are ready. Difficulty is rated intermediate for this model. Recommended tools for this Google Pixel 3a job: T3 Torx screwdriver, Plastic opening picks, Suction cup, Plastic spudger, Heat gun or iOpener, Precision tweezers, SIM eject tool. Parts and supplies: Replacement Google Pixel 3a battery, Battery adhesive strips, Pre-cut display adhesive strip, Isopropyl alcohol (99%). Power the Pixel 3a 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 3a, 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 battery replacement for this model with tested parts and a workmanship warranty.

Step-by-step

  1. 1

    Eject SIM card tray

    1 min

    Insert a SIM eject tool into the hole next to the SIM tray on the left edge. Push firmly to eject the tray and remove it.

  2. 2

    Heat display perimeter

    3 min

    Apply a heated iOpener or heat gun to the edges of the screen for two minutes. This softens the adhesive securing the display to the frame.

  3. 3

    Apply suction cup

    2 min

    Press a suction cup onto the upper half of the display glass. Pull up gently on the ring to create a small gap near the top edge.

  4. 4

    Slice top display adhesive

    3 min

    Insert a plastic opening pick into the gap at the top of the display. Slide the pick back and forth to slice through the adhesive seal.

  5. 5

    Slice side display adhesive

    3 min

    Slide the opening pick down the left and right edges of the phone. Take care not to insert the pick deeper than 3 mm near the bottom edge.

  6. 6

    Open display panel

    2 min

    Gently swing the top edge of the display away from the phone body like a book cover. Keep the display close to avoid straining the ribbon cable attached at the bottom.

  7. 7

    Unscrew display cable metal bracket

    2 min

    Use a T3 Torx driver to remove the two screws securing the metal display connector bracket. Remove the bracket with tweezers.

  8. 8

    Disconnect display ribbon cable

    2 min

    Use the edge of a spudger to pry the display cable connector straight up from its socket. Set the display assembly aside safely.

  9. 9

    Remove midframe perimeter screws

    4 min

    Unscrew the T3 Torx screws securing the plastic midframe to the phone chassis. Group the screws so you can return them to their original locations.

  10. 10

    Unclip and remove plastic midframe

    3 min

    Insert a spudger under the midframe edges to release the plastic retaining clips. Lift the midframe assembly off the phone frame.

  11. 11

    Disconnect battery flex cable

    1 min

    Pry the battery connector straight up from the motherboard socket using a plastic spudger. Disconnecting power prevents accidental shorts during battery removal.

  12. 12

    Locate adhesive pull tabs

    2 min

    Find the black pull tabs located at the bottom edge of the battery. Use tweezers to peel back the clear protective film covering the tabs.

  13. 13

    Pull adhesive stretch release tabs

    5 min

    Grasp one adhesive tab and pull it slowly outward at a low angle. Stretch the adhesive flat and parallel to the chassis until the entire strip releases.

  14. 14

    Apply isopropyl alcohol if tabs break

    3 min

    If an adhesive strip breaks under the battery, apply a few drops of high-concentration isopropyl alcohol along the edge. Allow two minutes for the solvent to dissolve the bond.

  15. 15

    Pry battery out of housing

    3 min

    Insert a flat plastic spudger under the non-connector edge of the battery. Gently lift until the battery frees itself from the well.

  16. 16

    Clean residual adhesive

    2 min

    Wipe away remaining adhesive residue inside the battery compartment using a lint-free cloth dampened with isopropyl alcohol.

  17. 17

    Apply replacement battery adhesive

    2 min

    Place new double-sided adhesive strips onto the back of the replacement battery. Peel off the protective film liners.

  18. 18

    Seat new battery

    2 min

    Align the replacement battery in the chassis well and press down firmly for ten seconds. Ensure the battery connector reaches the motherboard socket easily.

After your Google Pixel 3a battery replacement

Power the Pixel 3a back on and test the battery replacement 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 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 repair context in the encyclopedia, or open related DIY guides.

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