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Introduction

This is a prerequisite-only guide! This guide is part of another procedure and is not meant to be used alone. Use this guide to remove the midframe in your Huawei P40 Pro.

What you need

Step 1 Loosen the rear glass adhesive

Huawei P40 Pro Midframe Replacement, Loosen the rear glass adhesive: step 1, image 1 of 1

Apply a heated iOpener to the rear glass to loosen the adhesive underneath. Apply the iOpener for at least two minutes.

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Step 2 Insert an opening wheel

Huawei P40 Pro Midframe Replacement, Insert an opening wheel: step 2, image 1 of 3

Huawei P40 Pro Midframe Replacement, Insert an opening wheel: step 2, image 2 of 3

Huawei P40 Pro Midframe Replacement, Insert an opening wheel: step 2, image 3 of 3

Since the rear glass of the Huawei P40 Pro is curved, we highly recommend to slice the adhesive with a softer plastic tool like the iMac opening wheel before working with opening picks to prevent the rear glass from shattering.
Secure a suction handle to the bottom edge of the rear glass, as close to the curved edge as possible.
If your rear glass is badly cracked, covering it with a layer of clear packing tape may allow the suction cup to adhere. Alternatively, very strong tape may be used instead of the suction cup. If all else fails, you can superglue the suction cup to the rear glass.
Lift the back cover with the suction handle to create a small gap between the back cover and the frame.
In case you have trouble creating a gap, apply more heat to further soften the adhesive. Follow the iOpener instructions to avoid overheating.
Insert an iMac opening wheel into the gap.
Slide the opening wheel to the bottom left corner to slice the adhesive.

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Step 3 Insert an opening pick

Huawei P40 Pro Midframe Replacement, Insert an opening pick: step 3, image 1 of 2

Huawei P40 Pro Midframe Replacement, Insert an opening pick: step 3, image 2 of 2

Insert an opening pick into the gap between rear glass and frame at the bottom left corner of your phone to prevent the adhesive from resealing.

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Step 4 Cut the rear glass adhesive

Huawei P40 Pro Midframe Replacement, Cut the rear glass adhesive: step 4, image 1 of 3

Huawei P40 Pro Midframe Replacement, Cut the rear glass adhesive: step 4, image 2 of 3

Huawei P40 Pro Midframe Replacement, Cut the rear glass adhesive: step 4, image 3 of 3

Reinsert the opening wheel at the bottom edge of the rear glass.
Slide the opening wheel to the bottom right corner to slice the adhesive.
Insert an opening pick underneath the bottom right corner of the rear glass, next to the opening wheel to prevent the adhesive from resealing.

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Step 5

Huawei P40 Pro Midframe Replacement: step 5, image 3 of 3

If the adhesive becomes hard to cut, it has most likely cooled down. Use your iOpener to reheat it.
Insert the opening wheel underneath the bottom left corner of the rear glass.
Slide the opening wheel along the left edge of your Huawei P40 Pro to cut the adhesive.
Insert an opening pick underneath the top left corner of the rear glass, next to the opening wheel to prevent the adhesive from resealing.

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Step 6

Huawei P40 Pro Midframe Replacement: step 6, image 3 of 3

Insert the opening wheel underneath the top left corner of the rear glass.
Slide the opening wheel along the top edge of your phone to cut the adhesive.
Insert an opening pick underneath the top right corner of the rear glass, next to the opening wheel to prevent the adhesive from resealing

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Step 7

Insert the opening wheel underneath the top right corner of the rear glass.
Slide the opening wheel along the right edge of your phone to cut the remaining adhesive.

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Step 8 Remove the rear glass

Huawei P40 Pro Midframe Replacement, Remove the rear glass: step 8, image 1 of 3

Huawei P40 Pro Midframe Replacement, Remove the rear glass: step 8, image 2 of 3

Huawei P40 Pro Midframe Replacement, Remove the rear glass: step 8, image 3 of 3

Remove the rear glass.

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Step 9 Remove the midframe screws

Huawei P40 Pro Midframe Replacement, Remove the midframe screws: step 9, image 1 of 1

Remove the eleven 4.5 mm-long Phillips #00 screws.

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Step 10 Peel off the protective foil

Huawei P40 Pro Midframe Replacement, Peel off the protective foil: step 10, image 1 of 3

Huawei P40 Pro Midframe Replacement, Peel off the protective foil: step 10, image 2 of 3

Huawei P40 Pro Midframe Replacement, Peel off the protective foil: step 10, image 3 of 3

Slide an opening pick underneath the bottom right corner of the protective foil.
Use the opening pick to gently peel the protective foil off the daughterboard cover.
Repeat the previous procedure to peel the bottom left protective foil corner off the speaker.

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Step 11 Pry up the midframe

Huawei P40 Pro Midframe Replacement, Pry up the midframe: step 11, image 1 of 2

Huawei P40 Pro Midframe Replacement, Pry up the midframe: step 11, image 2 of 2

The left side of the midframe is very fragile. Take your time prying it up to prevent breaking it.
Slide an opening pick underneath the bottom left corner of the plastic midframe.
Slide the opening pick along the left edge of the midframe to release the plastic clips holding it in place.

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Step 12

Huawei P40 Pro Midframe Replacement: step 12, image 3 of 3

Insert the tip of an opening pick at the top edge of the midframe next to the top left corner.
Tilt the opening pick downwards to pop the plastic clips out of their sockets.
Slide the opening pick along the top edge of the midframe to release the remaining plastic clips.