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Motorola Moto G31 Screen Replacement

Screen Replacement guide for the Motorola Moto G31

Difficult
~51 min
22 steps

Before you begin

Tools

  • Heat gun or hair dryer
  • Phillips #00 screwdriver
  • Plastic opening picks
  • Spudger tool
  • Suction cup tool
  • Tweezers
  • SIM ejector tool

Parts / materials

  • Replacement Moto G31 OLED screen assembly
  • Pre-cut display adhesive strips or frame glue
  • Isopropyl alcohol (99%)
  • Microfiber cleaning cloth

Safety

  • Wear safety glasses to protect your eyes from fine glass shards when removing cracked glass.
  • Disconnect the battery press-connector immediately after opening the device to prevent electrical short circuits.
  • Do not overheat the phone frame; keep heat gun temperature below 80°C (175°F).

Overview

# Motorola Moto G31 Screen Replacement Repair Guide Action-specific screen replacement walkthrough for the Motorola Moto G31. About 51 minutes across 22 steps. This DIY guide walks through screen replacement on the Motorola Moto G31 (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 Moto G31 specifically—not a similar Moto G sibling. Most DIY techs finish this Motorola Moto G31 screen replacement in about 51 minutes when parts and tools are ready. Difficulty is rated advanced for this model. Recommended tools for this Motorola Moto G31 job: Heat gun or hair dryer, Phillips #00 screwdriver, Plastic opening picks, Spudger tool, Suction cup tool, Tweezers, SIM ejector tool. Parts and supplies: Replacement Moto G31 OLED screen assembly, Pre-cut display adhesive strips or frame glue, Isopropyl alcohol (99%), Microfiber cleaning cloth. Power the Moto G31 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 Moto G31, 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 screen replacement for this model with tested parts and a workmanship warranty.

Step-by-step

  1. 1

    Eject SIM Card Tray

    2 min

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

  2. 2

    Heat Back Cover Edges

    2 min

    Use a heat gun or hair dryer to warm the perimeter of the back cover for 2 minutes. This softens the adhesive securing the plastic rear panel.

  3. 3

    Pry Off Back Cover

    4 min

    Insert a thin plastic opening pick into the seam between the back cover and frame. Slide along the edges to release the plastic clips and adhesive.

  4. 4

    Unscrew Top Motherboard Bracket

    3 min

    Use a Phillips #00 screwdriver to remove the screws holding the upper plastic motherboard bracket. Keep screws organized by location.

  5. 5

    Remove Top Motherboard Bracket

    2 min

    Gently pry up the motherboard cover using a spudger and lift it off the frame.

  6. 6

    Disconnect Battery Cable

    1 min

    Locate the battery connector on the motherboard. Use the flat end of a spudger to snap the battery press-connector straight up.

  7. 7

    Unscrew Lower Speaker Enclosure

    3 min

    Remove the Phillips screws securing the lower loudspeaker assembly to the bottom of the frame.

  8. 8

    Remove Speaker Enclosure

    2 min

    Insert a spudger under the speaker module and lift it out of the phone chassis.

  9. 9

    Disconnect Display Flex Cable

    1 min

    Locate the display ribbon cable on the lower circuit board. Pry it up carefully with a spudger.

  10. 10

    Heat Front Glass Panel

    2 min

    Apply heat across the front display edges for 2 minutes to loosen the factory display tape.

  11. 11

    Attach Suction Cup

    1 min

    Press a suction cup onto the lower portion of the cracked front glass to gain leverage.

  12. 12

    Slice Screen Adhesive

    5 min

    Pull up on the suction cup while inserting a plastic pick under the screen bezel. Slice through the adhesive along all four edges.

  13. 13

    Remove Damaged Screen

    2 min

    Lift the old screen away from the frame while carefully guiding the ribbon cable out through the frame slot.

  14. 14

    Clean Frame Perimeter

    4 min

    Scrape away remaining glue and glass bits from the frame recessed ledge using a spudger and isopropyl alcohol.

  15. 15

    Apply Screen Adhesive

    3 min

    Apply thin double-sided adhesive strips or a thin bead of frame adhesive along the cleaned inner frame ledges.

  16. 16

    Route New Display Flex Cable

    3 min

    Thread the flex ribbon of the replacement screen through the frame slot from the front. Align the screen display flush into the frame.

  17. 17

    Connect Display Ribbon

    1 min

    Align and press down on the display flex connector until it snaps firmly onto the subboard.

  18. 18

    Reconnect Battery Connector

    1 min

    Snap the battery ribbon cable connector back onto its motherboard socket.

  19. 19

    Reinstall Speaker Enclosure

    2 min

    Place the speaker module into the bottom housing and secure it using the Phillips screws.

  20. 20

    Reinstall Upper Motherboard Bracket

    3 min

    Set the upper protective bracket in place and tighten all retaining Phillips screws.

  21. 21

    Snap On Rear Cover

    3 min

    Align the plastic back cover over the frame and press firmly around all edges until it snaps securely into place.

  22. 22

    Reinsert SIM Tray

    1 min

    Slide the SIM card tray back into its slot on the side of the phone until flush.

After your Motorola Moto G31 screen replacement

Power the Moto G31 back on and test the screen 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 Moto G31 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 Moto G31 repair context in the encyclopedia, or open related DIY guides.

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