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Motorola Moto G4 Logic Board Repair

Logic Board Repair guide for the Motorola Moto G4

Expert
~28 min
12 steps

Before you begin

Tools

  • T3 Torx screwdriver
  • Plastic spudger
  • Opening pick
  • Tweezers
  • Anti-static wrist strap

Parts / materials

  • 99% Isopropyl alcohol
  • Lint-free microfiber cloth

Safety

  • Disconnect the battery immediately after removing the frame to avoid short circuits.
  • Wear an anti-static wrist strap connected to a grounded surface to prevent ESD damage to sensitive chips.
  • Do not puncture, bend, or apply pressure to the battery during repair.

Overview

# Motorola Moto G4 Logic Board Repair Repair Guide Action-specific logic board repair walkthrough for the Motorola Moto G4. About 28 minutes across 12 steps. This DIY guide walks through logic board repair on the Motorola Moto G4 (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 G4 specifically—not a similar Moto G sibling. Most DIY techs finish this Motorola Moto G4 logic board repair in about 28 minutes when parts and tools are ready. Difficulty is rated expert for this model. Recommended tools for this Motorola Moto G4 job: T3 Torx screwdriver, Plastic spudger, Opening pick, Tweezers, Anti-static wrist strap. Parts and supplies: 99% Isopropyl alcohol, Lint-free microfiber cloth. Power the Moto G4 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 G4, 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 logic board repair for this model with tested parts and a workmanship warranty.

Step-by-step

  1. 1

    Power off the device

    1 min

    Press and hold the power button, then tap 'Power Off' on the screen to completely shut down the device.

  2. 2

    Remove the back cover

    2 min

    Insert a fingernail or plastic opening pick into the notch at the bottom edge and pry the back cover off.

  3. 3

    Eject SIM and microSD cards

    1 min

    Slide out any installed SIM card and microSD card from their respective slots.

  4. 4

    Unscrew the midframe

    5 min

    Use a T3 Torx screwdriver to remove the nineteen screws securing the plastic midframe to the body.

  5. 5

    Remove the midframe cover

    3 min

    Insert a spudger around the edges to release the plastic clips and lift off the midframe cover.

  6. 6

    Disconnect the battery cable

    2 min

    Use the flat end of a spudger to pry the battery connector straight up from its motherboard socket.

  7. 7

    Disconnect the display flex cable

    2 min

    Flip up the locking tab on the display ZIF connector and carefully slide the flex cable out.

  8. 8

    Disconnect the digitizer flex cable

    2 min

    Unlock the digitizer ZIF flap with tweezers and pull the ribbon cable out of the socket.

  9. 9

    Disconnect the front camera

    2 min

    Pry up the press connector for the front-facing camera and remove it from the device.

  10. 10

    Disconnect the rear camera

    2 min

    Unplug the rear camera press connector and lift the camera module out of its recess.

  11. 11

    Remove motherboard mounting screws

    3 min

    Remove the remaining T3 Torx screws holding the logic board to the frame assembly.

  12. 12

    Lift out the logic board

    3 min

    Gently pry up the bottom edge of the logic board and pull it away from the chassis.

After your Motorola Moto G4 logic board repair

Power the Moto G4 back on and test the logic board 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 Motorola Moto G4 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 G4 repair context in the encyclopedia, or open related DIY guides.

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