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Power Button Repair Guide for G7 ThinQ

Power Button Repair guide for the LG G7 ThinQ

Moderate
~40 min
19 steps

Before you begin

Tools

  • Heat gun or hair dryer
  • Suction cup tool
  • Plastic prying tools
  • Phillips #000 screwdriver
  • Tweezers
  • Spudger tool
  • Anti-static wrist strap

Parts / materials

  • LG G7 ThinQ power button flex assembly
  • Custom rear glass adhesive seal
  • Isopropyl alcohol (99%)

Safety

  • Power off the phone completely before starting the repair.
  • Wear protective eyewear when heating and prying glass panels.
  • Disconnect the battery immediately after removing the midframe to avoid short circuits.

Overview

# Power Button Repair Guide for G7 ThinQ Action-specific power button repair walkthrough for the LG G7 ThinQ. About 40 minutes across 19 steps. This DIY guide walks through power button repair on the LG G7 ThinQ (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 G7 ThinQ specifically—not a similar G Series sibling. Most DIY techs finish this LG G7 ThinQ power button repair in about 40 minutes when parts and tools are ready. Difficulty is rated intermediate for this model. Recommended tools for this LG G7 ThinQ job: Heat gun or hair dryer, Suction cup tool, Plastic prying tools, Phillips #000 screwdriver, Tweezers, Spudger tool, Anti-static wrist strap. Parts and supplies: LG G7 ThinQ power button flex assembly, Custom rear glass adhesive seal, Isopropyl alcohol (99%). Power the G7 ThinQ 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 G7 ThinQ, 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 power button repair for this model with tested parts and a workmanship warranty.

Step-by-step

  1. 1

    Heat the rear glass cover

    3 min

    Apply a heat gun evenly along the outer edges of the rear glass for 2 minutes to soften the internal adhesive.

  2. 2

    Attach the suction cup

    1 min

    Press a suction cup onto the lower third of the rear glass and gently pull upward to create a small gap.

  3. 3

    Insert an opening pick

    2 min

    Slide a thin plastic opening pick into the gap between the rear glass cover and the phone frame.

  4. 4

    Slice the perimeter adhesive

    4 min

    Gently slide the pick along all four edges of the back cover to cut through the factory adhesive.

  5. 5

    Lift the rear glass cover

    2 min

    Carefully hinge the rear glass open from the left side, keeping an eye on the attached fingerprint sensor cable.

  6. 6

    Disconnect the fingerprint sensor

    1 min

    Use a plastic spudger to pry the fingerprint reader press connector straight up off the motherboard.

  7. 7

    Remove midframe screws

    4 min

    Use a Phillips #000 screwdriver to remove the 14 screws securing the upper wireless charging coil and lower speaker module.

  8. 8

    Pry off the motherboard cover

    2 min

    Insert a spudger under the top edge of the wireless charging shield and lift it off the frame.

  9. 9

    Disconnect the battery cable

    1 min

    Pry up the battery press connector from its socket on the motherboard to prevent electrical shorts.

  10. 10

    Disconnect the power button flex

    1 min

    Use the tip of a spudger to disconnect the power key flex cable from the side of the motherboard.

  11. 11

    Remove the power button bracket

    2 min

    Use tweezers to unclip and remove the small metal retaining bracket securing the power button flex inside the frame.

  12. 12

    Peel out the power button flex cable

    2 min

    Insert fine tweezers underneath the power button flex cable and carefully peel it away from the side frame.

  13. 13

    Install the new power button flex

    2 min

    Align the new power button flex assembly with the alignment pegs on the side frame and press it down to adhere.

  14. 14

    Reinstall the power button bracket

    2 min

    Place the metal retaining bracket over the power key contacts and snap it firmly into the internal frame.

  15. 15

    Reconnect the battery cable

    1 min

    Press the battery connector firmly back into its matching socket on the motherboard.

  16. 16

    Reattach the motherboard cover

    2 min

    Align the wireless charging coil shield over the motherboard and press down around the edges until it clicks.

  17. 17

    Fasten the midframe screws

    4 min

    Reinstall the 14 Phillips #000 screws into the upper motherboard cover and lower speaker enclosure.

  18. 18

    Reconnect the fingerprint sensor

    1 min

    Snap the fingerprint sensor cable back onto its connector on the motherboard.

  19. 19

    Seal the rear glass cover

    3 min

    Apply new custom adhesive tape to the frame perimeter, align the rear glass, and press firmly along all edges.

After your LG G7 ThinQ power button repair

Power the G7 ThinQ back on and test the power button 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 G7 ThinQ 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 G7 ThinQ repair context in the encyclopedia, or open related DIY guides.

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