Samsung Galaxy A8(2018) Back Cover Replacement

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Introduction

This tutorial will show how to replace the back cover of your Galaxy A8.

Opening the phone will damage the waterproof seals. If you do not replace the adhesive gaskets, your phone will work normally, but will no longer be waterproof.

You will likely need replacement adhesive to reattach the back cover.

Step 1 Back cover

Samsung Galaxy A8(2018) Back Cover Replacement, Back cover: step 1, image 1 of 2

Samsung Galaxy A8(2018) Back Cover Replacement, Back cover: step 1, image 2 of 2

Turn off your phone.
Prepare an iOpener or hair dryer to soften the adhesive on the back of the A8.
The adhesive is distributed over the outline of the back cover shown in red in the photo.

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Step 2

Use a suction cup to lift the back cover and insert an opening pick into the slot created.
Start in the middle and cut the adhesive while maintaining tension on the suction cup.
If you find it increasingly difficult to move the pick, reheat the iOpener or use a hair dryer.

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Step 3

Move your pick carefully from corner to corner. Leave a pick at each corner once it has been freed to prevent the cover from re-adhering. Repeat for all 4 corners.
Do not force the cover open. Re-soften the adhesive with an iOpener or hair dryer if the back cover does not come off or begins to warp.
On the photo opposite three corners have been released, with one corner remaining to be able to completely remove the glass.
Be careful not to damage the fingerprint reader connector when opening the back cover. Disconnect it following the instructions in the next step.

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Step 4

Unplug the fingerprint reader with tweezers.

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Step 5

Remove the back cover.
Prepare for reassembly by removing the remaining adhesive from the phone with a spudger. Clean the adhesive surfaces with isopropyl alcohol and a lint-free cloth.