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Google Pixel 3a XL Battery Replacement

Battery Replacement guide for the Google Pixel 3a XL

Moderate
~49 min
25 steps

Before you begin

Tools

  • Heat gun or hair dryer
  • Suction cup tool
  • Plastic opening picks
  • T3 Torx screwdriver
  • Spudger tool
  • Tweezers
  • SIM eject tool

Parts / materials

  • Pixel 3a XL replacement battery
  • Battery adhesive strips
  • Pre-cut display adhesive strip
  • 99% Isopropyl alcohol

Safety

  • Disconnect the battery before working near sensitive internal electronics.
  • Do not bend, puncture, or apply direct heat to the lithium-ion battery.
  • Wear eye protection when handling glass assemblies and softened adhesive.

Overview

# Google Pixel 3a XL Battery Replacement Repair Guide Action-specific battery replacement walkthrough for the Google Pixel 3a XL. About 49 minutes across 25 steps. This DIY guide walks through battery replacement on the Google Pixel 3a XL (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 XL specifically—not a similar Pixel sibling. Most DIY techs finish this Google Pixel 3a XL battery replacement in about 49 minutes when parts and tools are ready. Difficulty is rated intermediate for this model. Recommended tools for this Google Pixel 3a XL job: Heat gun or hair dryer, Suction cup tool, Plastic opening picks, T3 Torx screwdriver, Spudger tool, Tweezers, SIM eject tool. Parts and supplies: Pixel 3a XL replacement battery, Battery adhesive strips, Pre-cut display adhesive strip, 99% Isopropyl alcohol. Power the Pixel 3a XL 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 XL, 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 small hole on the left side of the device to pop out the tray.

  2. 2

    Heat the front display edge

    2 min

    Apply a heat gun set to low temperature along the outer edges of the screen for two minutes to soften the display adhesive.

  3. 3

    Attach suction cup to display

    1 min

    Place a suction cup near the top edge of the screen, just below the ear speaker, and press down firmly to secure it.

  4. 4

    Insert opening pick

    2 min

    Pull up on the suction cup to create a small gap, then insert a plastic opening pick under the top glass edge.

  5. 5

    Slice perimeter adhesive

    3 min

    Slide the pick carefully around all four sides of the display, keeping it shallow to avoid damaging internal ribbons.

  6. 6

    Hinge the screen open

    1 min

    Gently lift the screen from the top edge and swing it open like a book toward the bottom of the phone.

  7. 7

    Remove display connector screw

    1 min

    Use a T3 Torx screwdriver to remove the single screw securing the metal display cable bracket.

  8. 8

    Remove metal display shield

    1 min

    Use precision tweezers to lift the small metal shielding bracket off the display connector.

  9. 9

    Disconnect display flex cable

    1 min

    Pry the display flex cable straight up from its motherboard socket using the flat edge of a spudger.

  10. 10

    Separate display assembly

    1 min

    Lift the entire display assembly off the phone frame and set it aside in a safe, clean spot.

  11. 11

    Unscrew midframe plate

    4 min

    Remove the thirteen T3 Torx screws securing the inner midframe assembly to the phone chassis.

  12. 12

    Remove speaker housing

    2 min

    Insert a spudger beneath the lower speaker module and lift it out of the lower chassis assembly.

  13. 13

    Lift out midframe plate

    2 min

    Carefully pry up the midframe shield from the chassis edges and lift it completely away from the body.

  14. 14

    Disconnect battery cable

    1 min

    Pry the battery connector straight up from the motherboard using a plastic spudger.

  15. 15

    Unseal adhesive pull tabs

    2 min

    Locate the black adhesive pull tab strips on the battery and peel their edges up with tweezers.

  16. 16

    Pull battery adhesive strips

    4 min

    Slowly pull each stretch-release adhesive strip outward at a low angle until free from underneath the battery.

  17. 17

    Apply isopropyl alcohol

    3 min

    If a tab breaks, drop a small amount of high-concentration isopropyl alcohol along the battery edges and let it sit for two minutes.

  18. 18

    Pry battery from chassis

    2 min

    Insert a wide flat plastic spudger beneath the battery and gently lever it out from the housing.

  19. 19

    Clean battery compartment

    2 min

    Wipe away remaining adhesive residue inside the frame using isopropyl alcohol and a lint-free cloth.

  20. 20

    Apply battery adhesive

    2 min

    Attach fresh adhesive strips to the backside of your replacement battery, pressing them down flat.

  21. 21

    Install replacement battery

    1 min

    Align the new battery into the phone housing and press firmly to set the adhesive in place.

  22. 22

    Reconnect battery cable

    1 min

    Snap the battery flex connector onto its motherboard terminal to verify proper fit and alignment.

  23. 23

    Reinstall midframe and speaker

    4 min

    Place the midframe and lower speaker back into position, securing them with the thirteen T3 Torx screws.

  24. 24

    Reconnect display cable

    2 min

    Plug the display flex cable back into the motherboard, reinstall the metal bracket, and tighten its T3 screw.

  25. 25

    Reseal display assembly

    3 min

    Apply pre-cut screen adhesive along the frame edge, lower the screen into place, and press firmly along the perimeter.

After your Google Pixel 3a XL battery replacement

Power the Pixel 3a XL 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 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.

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