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Motorola G85 Battery Replacement

Battery Replacement guide for the Motorola G85

Moderate
~29 min
18 steps

Before you begin

Tools

  • Heat gun
  • Suction cup
  • Opening picks
  • Phillips #000 screwdriver
  • Spudger
  • SIM eject tool
  • Plastic card

Parts / materials

  • Motorola G85 replacement battery
  • Battery adhesive strips
  • Back cover adhesive tape
  • 90%+ Isopropyl alcohol

Safety

  • Wear protective eyewear when working with heated glass panels.
  • Disconnect the battery before touching internal components to prevent short circuits.
  • Do not puncture, flex, or apply sharp metal tools directly against the lithium battery.

Overview

# Motorola G85 Battery Replacement Repair Guide Action-specific battery replacement walkthrough for the Motorola G85. About 29 minutes across 18 steps. This DIY guide walks through battery replacement on the Motorola G85 (Moto G series phone). Before you open the device, confirm the exact model number on the Motorola settings screen or rear housing so your replacement part matches the G85 specifically—not a similar Moto G sibling. Most DIY techs finish this Motorola G85 battery replacement in about 29 minutes when parts and tools are ready. Difficulty is rated intermediate for this model. Recommended tools for this Motorola G85 job: Heat gun, Suction cup, Opening picks, Phillips #000 screwdriver, Spudger, SIM eject tool, Plastic card. Parts and supplies: Motorola G85 replacement battery, Battery adhesive strips, Back cover adhesive tape, 90%+ Isopropyl alcohol. Power the G85 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 Motorola G85, 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

    Power Down Device

    1 min

    Press and hold the power button, then tap Power Off on screen to completely turn off the phone.

  2. 2

    Eject SIM Card Tray

    1 min

    Insert a SIM eject tool into the hole beside the SIM tray and push gently to eject the card holder.

  3. 3

    Heat Edge Adhesive

    2 min

    Apply heat around the edges of the back panel for two minutes using a heat gun set to medium.

  4. 4

    Attach Suction Handle

    1 min

    Press a suction cup firmly onto the lower portion of the rear panel.

  5. 5

    Insert Opening Pick

    1 min

    Pull up on the suction cup to create a thin gap, then slide a plastic opening pick into the seam.

  6. 6

    Slice Perimeter Adhesive

    3 min

    Slide opening picks around all four sides of the phone frame to slice through the adhesive seal.

  7. 7

    Remove Back Panel

    1 min

    Gently lift the back cover off the chassis once the adhesive is fully separated.

  8. 8

    Unscrew Motherboard Shield

    2 min

    Use a Phillips #000 screwdriver to remove all screws securing the top motherboard plastic cover.

  9. 9

    Detach Motherboard Shield

    1 min

    Insert the flat tip of a spudger under the motherboard shield and gently unclip it from the frame.

  10. 10

    Disconnect Battery Flex

    1 min

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

  11. 11

    Disconnect Interconnect Cable

    1 min

    Unplug the main flex ribbon connectors spanning across the battery to clear the removal path.

  12. 12

    Soak Battery Adhesive

    2 min

    Apply a few drops of high-grade isopropyl alcohol along the battery edges to dissolve the underlying glue.

  13. 13

    Pry Out Battery

    3 min

    Pull the clear battery adhesive pull-tab or insert a flat plastic card beneath the cell to lift it free.

  14. 14

    Clean Battery Cavity

    2 min

    Scrape leftover tape strips from the midframe and wipe the surface clean with isopropyl alcohol.

  15. 15

    Position New Battery

    2 min

    Apply new adhesive strips to the chassis well, align the replacement battery, and press it securely into place.

  16. 16

    Reconnect Flex Cables

    1 min

    Snap the main interconnect flex cable and the new battery connector firmly onto their motherboard sockets.

  17. 17

    Reinstall Motherboard Shield

    2 min

    Align the top plastic shield over the motherboard and tighten all saved Phillips screws.

  18. 18

    Reseal Rear Cover

    2 min

    Apply custom pre-cut back cover adhesive, align the rear panel, and press firmly along all edges.

After your Motorola G85 battery replacement

Power the G85 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 Motorola G85 job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.

Keep learning

Explore more Motorola G85 repair context in the encyclopedia, or open related DIY guides.

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