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LG G2 Logic Board Repair

Logic Board Repair guide for the LG G2

Expert
~23 min
15 steps

Before you begin

Tools

  • SIM eject tool
  • Plastic opening tool
  • Spudger
  • Phillips #00 screwdriver
  • Tweezers
  • Anti-static wrist strap

Parts / materials

  • Replacement LG G2 logic board
  • High-density thermal pad
  • Isopropyl alcohol (99%)

Safety

  • Power down the device completely before starting disassembly.
  • Wear an anti-static wrist strap to prevent electrostatic discharge to sensitive electronics.
  • Do not bend or puncture the exposed lithium-ion battery.

Overview

# LG G2 Logic Board Repair Repair Guide Action-specific logic board repair walkthrough for the LG G2. About 23 minutes across 15 steps. This DIY guide walks through logic board repair on the LG G2 (G Series series phone). Before you open the device, confirm the exact model number on the LG settings screen or rear housing so your replacement part matches the G2 specifically—not a similar G Series sibling. Most DIY techs finish this LG G2 logic board repair in about 23 minutes when parts and tools are ready. Difficulty is rated expert for this model. Recommended tools for this LG G2 job: SIM eject tool, Plastic opening tool, Spudger, Phillips #00 screwdriver, Tweezers, Anti-static wrist strap. Parts and supplies: Replacement LG G2 logic board, High-density thermal pad, Isopropyl alcohol (99%). Power the G2 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 LG G2, 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

    Eject the SIM tray

    1 min

    Insert a SIM eject tool or straightened paperclip into the hole beside the SIM tray on the left edge. Push firmly to eject the tray and slide it out.

  2. 2

    Unclip the rear panel

    3 min

    Insert a plastic opening tool into the seam between the rear cover and the display bezel. Slide it along the perimeter to release the internal plastic clips.

  3. 3

    Remove the rear panel

    1 min

    Lift the rear cover away from the phone body once all perimeter clips are fully disengaged.

  4. 4

    Unscrew the upper housing cover

    3 min

    Use a Phillips #00 screwdriver to remove the ten screws securing the upper motherboard shield.

  5. 5

    Remove the upper housing cover

    1 min

    Gently lever the upper plastic shield off the motherboard using a spudger and set it aside.

  6. 6

    Unscrew the lower speaker housing

    2 min

    Remove the three Phillips #00 screws holding the speaker module at the bottom of the device.

  7. 7

    Remove the lower speaker housing

    1 min

    Pry up the lower speaker assembly with a spudger and lift it out of the chassis.

  8. 8

    Disconnect the battery cable

    1 min

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

  9. 9

    Disconnect the display flex cable

    1 min

    Pry the display press-fit connector straight off its socket on the logic board using a spudger.

  10. 10

    Disconnect the front camera

    2 min

    Pop the front-facing camera connector off the board and use tweezers to lift the camera module out.

  11. 11

    Disconnect the headphone jack connector

    1 min

    Gently lever the headphone jack assembly connector up from the top-right portion of the board.

  12. 12

    Disconnect the rear button assembly

    1 min

    Disconnect the rear power and volume key flex cable from its socket on the motherboard.

  13. 13

    Disconnect the digitizer cable

    1 min

    Unplug the touchscreen digitizer connector from the side of the logic board.

  14. 14

    Pry up the logic board

    2 min

    Insert a spudger under the bottom edge of the motherboard and gently pry it upward from the frame.

  15. 15

    Remove the logic board

    2 min

    Carefully tilt and lift the logic board out of the phone, ensuring no flex cables snag during removal.

After your LG G2 logic board repair

Power the G2 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 LG G2 job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.

Keep learning

Explore more LG G2 repair context in the encyclopedia, or open related DIY guides.

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