Phone · LG · G7 ThinQ
Power Button Repair Guide for G7 ThinQ
Power Button Repair guide for the LG G7 ThinQ
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
Step-by-step
- 1
Heat the rear glass cover
3 minApply a heat gun evenly along the outer edges of the rear glass for 2 minutes to soften the internal adhesive.
- 2
Attach the suction cup
1 minPress a suction cup onto the lower third of the rear glass and gently pull upward to create a small gap.
- 3
Insert an opening pick
2 minSlide a thin plastic opening pick into the gap between the rear glass cover and the phone frame.
- 4
Slice the perimeter adhesive
4 minGently slide the pick along all four edges of the back cover to cut through the factory adhesive.
- 5
Lift the rear glass cover
2 minCarefully hinge the rear glass open from the left side, keeping an eye on the attached fingerprint sensor cable.
- 6
Disconnect the fingerprint sensor
1 minUse a plastic spudger to pry the fingerprint reader press connector straight up off the motherboard.
- 7
Remove midframe screws
4 minUse a Phillips #000 screwdriver to remove the 14 screws securing the upper wireless charging coil and lower speaker module.
- 8
Pry off the motherboard cover
2 minInsert a spudger under the top edge of the wireless charging shield and lift it off the frame.
- 9
Disconnect the battery cable
1 minPry up the battery press connector from its socket on the motherboard to prevent electrical shorts.
- 10
Disconnect the power button flex
1 minUse the tip of a spudger to disconnect the power key flex cable from the side of the motherboard.
- 11
Remove the power button bracket
2 minUse tweezers to unclip and remove the small metal retaining bracket securing the power button flex inside the frame.
- 12
Peel out the power button flex cable
2 minInsert fine tweezers underneath the power button flex cable and carefully peel it away from the side frame.
- 13
Install the new power button flex
2 minAlign the new power button flex assembly with the alignment pegs on the side frame and press it down to adhere.
- 14
Reinstall the power button bracket
2 minPlace the metal retaining bracket over the power key contacts and snap it firmly into the internal frame.
- 15
Reconnect the battery cable
1 minPress the battery connector firmly back into its matching socket on the motherboard.
- 16
Reattach the motherboard cover
2 minAlign the wireless charging coil shield over the motherboard and press down around the edges until it clicks.
- 17
Fasten the midframe screws
4 minReinstall the 14 Phillips #000 screws into the upper motherboard cover and lower speaker enclosure.
- 18
Reconnect the fingerprint sensor
1 minSnap the fingerprint sensor cable back onto its connector on the motherboard.
- 19
Seal the rear glass cover
3 minApply 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.

