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Motorola Moto G3 Logic Board Repair

Logic Board Repair guide for the Motorola Moto G3

Expert
~48 min
17 steps

Before you begin

Tools

  • T3 Torx screwdriver
  • Phillips #000 screwdriver
  • Spudger tool
  • Plastic prying tools
  • Tweezers
  • Anti-static wrist strap

Parts / materials

  • Replacement Moto G3 logic board
  • Isopropyl alcohol (99%)
  • Microfiber cloth

Safety

  • Wear an anti-static wrist strap to avoid ESD damage to sensitive circuit board components.
  • Ensure the device is powered off completely before removing any internal components.
  • Handle battery and flex connectors carefully to avoid puncturing or tearing cables.

Overview

# Motorola Moto G3 Logic Board Repair Repair Guide Action-specific logic board repair walkthrough for the Motorola Moto G3. About 48 minutes across 17 steps. This DIY guide walks through logic board repair on the Motorola Moto G3 (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 G3 specifically—not a similar Moto G sibling. Most DIY techs finish this Motorola Moto G3 logic board repair in about 48 minutes when parts and tools are ready. Difficulty is rated expert for this model. Recommended tools for this Motorola Moto G3 job: T3 Torx screwdriver, Phillips #000 screwdriver, Spudger tool, Plastic prying tools, Tweezers, Anti-static wrist strap. Parts and supplies: Replacement Moto G3 logic board, Isopropyl alcohol (99%), Microfiber cloth. Power the Moto G3 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 G3, 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 select Power Off on the screen. Ensure the device is completely powered down before proceeding.

  2. 2

    Remove the Back Shell

    2 min

    Insert a plastic prying tool or fingernail into the notch near the USB port. Gently pry the plastic back cover off the body of the phone.

  3. 3

    Remove MicroSD and SIM Cards

    2 min

    Use your thumb to slide out any installed MicroSD card and SIM cards from their respective slots. Store them in a safe place during repair.

  4. 4

    Remove Rubber Screw Covers

    3 min

    Locate the small rubber plugs covering screws along the outer perimeter. Use tweezers to carefully pry out each rubber plug.

  5. 5

    Unscrew the Midframe

    5 min

    Use a T3 Torx screwdriver to remove all 14 screws securing the midframe frame to the device. Group the screws to keep them organized.

  6. 6

    Pry Up the Inner Frame

    4 min

    Insert a flat plastic spudger into the seam between the inner plastic frame and the display assembly. Pry around the edges to release the clips and remove the frame.

  7. 7

    Disconnect the Battery Flex Cable

    2 min

    Locate the battery flex connector attached to the top of the logic board. Use the flat end of a spudger to pry the connector straight up from its socket.

  8. 8

    Disconnect the Display Connector

    2 min

    Locate the main display connector on the logic board. Carefully pop the connector up using a plastic spudger.

  9. 9

    Disconnect the Front and Rear Cameras

    3 min

    Use tweezers or a spudger to detach the front and rear camera press connectors. Lift both cameras out of their recesses if transferring them.

  10. 10

    Remove Logic Board Retaining Screws

    3 min

    Remove the small Phillips #000 screws anchoring the motherboard to the phone frame. Place screws safely aside.

  11. 11

    Lift Out the Logic Board

    3 min

    Gently lift the logic board from the top edge, ensuring no flex cables catch on the board edges. Remove the logic board entirely from the frame.

  12. 12

    Install Replacement Logic Board

    3 min

    Lower the replacement logic board into the display frame assembly. Align the board with the positioning posts and screw holes.

  13. 13

    Reconnect Cameras and Display

    3 min

    Reinsert the cameras into their sockets and press their connectors firmly into place. Connect the display flex cable back onto the logic board.

  14. 14

    Connect the Battery Cable

    2 min

    Align the battery flex connector over its motherboard socket and press down firmly until it snaps into place.

  15. 15

    Snap Inner Frame into Place

    3 min

    Align the inner midframe over the body and press down around the perimeter until all plastic clips snap securely shut.

  16. 16

    Reinstall All Midframe Screws

    5 min

    Insert and tighten all 14 T3 Torx screws to secure the midframe. Replace the rubber screw covers over their slots.

  17. 17

    Reinsert Cards and Back Shell

    2 min

    Slide your SIM and MicroSD cards back into their slots. Press the back shell onto the rear of the phone until it snaps completely flush.

After your Motorola Moto G3 logic board repair

Power the Moto G3 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 G3 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 G3 repair context in the encyclopedia, or open related DIY guides.

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