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LG V40 ThinQ Charging Port Replacement

Introduction

If your LG V40 ThinQ’s charging port is damaged, outdated, or not functional use this guide to replace it or as a prerequisite for many other repairs for this phone. This guide can help restore the charging port of the LG V40 Thin Q.

This guide requires the completion of two prerequisite guides before getting to the charging port. This guide requires the use of a iOpener, iFixit Opening Picks (Set of 6), Phillips #000 Screwdriver, and a Jimmy. The process is difficult and requires care to avoid damaging internal components. Follow each step closely and make sure to power off your device before starting and disconnecting from any external power source.

What you need

  1. LG V40 ThinQ Charging Port Replacement, Back Cover: step 1, image 1 of 2 LG V40 ThinQ Charging Port Replacement, Back Cover: step 1, image 2 of 2

    • Use an iOpener or hairdryer to heat the adhesive on the back cover by rolling it up and down the back of the phone.

    • You will know when the back is hot enough when an Opening pick is able to slide under the back cover.

    Edit

  2. LG V40 ThinQ Charging Port Replacement: step 2, image 1 of 3 LG V40 ThinQ Charging Port Replacement: step 2, image 2 of 3 LG V40 ThinQ Charging Port Replacement: step 2, image 3 of 3

    • Use opening to pry the back cover away from the adhesive.

    • This can take some time. Be patient and go slowly.

    • We recommend you move slowly and carefully to not crack the back glass.

    Edit

  3. LG V40 ThinQ Charging Port Replacement: step 3, image 1 of 2 LG V40 ThinQ Charging Port Replacement: step 3, image 2 of 2

    • Carefully disconnect the fingerprint sensor from the back camera lens cover.

    Edit

  4. LG V40 ThinQ Charging Port Replacement: step 4, image 1 of 3 LG V40 ThinQ Charging Port Replacement: step 4, image 2 of 3 LG V40 ThinQ Charging Port Replacement: step 4, image 3 of 3

    • Use the opening picks again to gently remove the back camera lens cover and fingerprint sensor off from the back cover.

    • Set the fingerprint sensor and camera cover aside. You will need the fingerprint sensor to put into any new back cover bought for the phone.

    Edit

  6. LG V40 ThinQ Charging Port Replacement: step 5, image 1 of 2 LG V40 ThinQ Charging Port Replacement: step 5, image 2 of 2

    • Clean the back cover of any old adhesive by gently heating the area with the iOpener to soften the adhesive.

    • Use a cloth or cotton swab soaked in isopropyl alcohol to gently rub and dissolve the glue.

    Edit

  7. LG V40 ThinQ Charging Port Replacement: step 6, image 1 of 1

    • Apply new adhesive on the back cover in the places where the old adhesive was applied.

    Edit

  8. LG V40 ThinQ Charging Port Replacement, Battery: step 7, image 1 of 2 LG V40 ThinQ Charging Port Replacement, Battery: step 7, image 2 of 2

    • Remove the fourteen 15 mm-long Phillips #000 screws holding down the wireless charging coil and loudspeaker module.

    Edit

  9. LG V40 ThinQ Charging Port Replacement: step 8, image 1 of 2 LG V40 ThinQ Charging Port Replacement: step 8, image 2 of 2

    • Disconnect the battery press connector.

    Edit

  10. LG V40 ThinQ Charging Port Replacement: step 9, image 1 of 2 LG V40 ThinQ Charging Port Replacement: step 9, image 2 of 2

    • With the opening picks, very gently insert and pry the battery slowly until it comes free from the adhesive and remove it.

    • This can take some time to safely remove the battery without damaging it. Be careful not to rip the battery from the adhesive holding it down.

    Edit

    • Disconnect any motherboard connectors and lift the the motherboard up and out of the phone.

    Edit

  12. LG V40 ThinQ Charging Port Replacement: step 11, image 1 of 2 LG V40 ThinQ Charging Port Replacement: step 11, image 2 of 2

    • Disconnect the two press connectors attached to the charging port board.

    • They are right next to each other.

    Edit

  13. LG V40 ThinQ Charging Port Replacement: step 12, image 1 of 3 LG V40 ThinQ Charging Port Replacement: step 12, image 2 of 3 LG V40 ThinQ Charging Port Replacement: step 12, image 3 of 3

    • With an opening pick, gently pry out the charging port.

    • The part of the charging port highlighted is glued down and needs more careful work

    Edit
Conclusion

To reassemble your device, follow the above steps in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting or ask our Answers community for help.

One other person completed this guide.

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Noah

Member since: 09/12/25

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Team

University of North Texas, Team 7-5, Kilpatrick Fall 2025 Member of University of North Texas, Team 7-5, Kilpatrick Fall 2025

UNT-KILPATRICK-F25S7G5

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