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Introduction

If your LG V40 ThinQ’s back cover has been cracked, scratched, or damaged, use this guide to replace it or as a prerequisite for many other repairs for this phone. This can help restore the look and protection of your phone.

This guide requires the use of an iOpener to help melt the adhesive on the back cover. The process is simple but 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

Step 1 Back Cover

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

LG V40 ThinQ Back Cover 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.

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Step 2

LG V40 ThinQ Back Cover 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.

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Step 3

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

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Step 4

LG V40 ThinQ Back Cover 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.

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Step 5

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.

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