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Huawei P40 Pro Battery Replacement

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  1. Huawei P40 Pro Battery Replacement, Loosen the rear glass adhesive: étape 1, image 1 de 1
    • Apply a heated iOpener to the rear glass to loosen the adhesive underneath. Apply the iOpener for at least two minutes.

  2. Huawei P40 Pro Battery Replacement, Insert an opening wheel: étape 2, image 1 de 3 Huawei P40 Pro Battery Replacement, Insert an opening wheel: étape 2, image 2 de 3 Huawei P40 Pro Battery Replacement, Insert an opening wheel: étape 2, image 3 de 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.

  3. Huawei P40 Pro Battery Replacement, Insert an opening pick: étape 3, image 1 de 2 Huawei P40 Pro Battery Replacement, Insert an opening pick: étape 3, image 2 de 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.

  4. Huawei P40 Pro Battery Replacement, Cut the rear glass adhesive: étape 4, image 1 de 3 Huawei P40 Pro Battery Replacement, Cut the rear glass adhesive: étape 4, image 2 de 3 Huawei P40 Pro Battery Replacement, Cut the rear glass adhesive: étape 4, image 3 de 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.

  5. Huawei P40 Pro Battery Replacement: étape 5, image 1 de 3 Huawei P40 Pro Battery Replacement: étape 5, image 2 de 3 Huawei P40 Pro Battery Replacement: étape 5, image 3 de 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.

  6. Huawei P40 Pro Battery Replacement: étape 6, image 1 de 3 Huawei P40 Pro Battery Replacement: étape 6, image 2 de 3 Huawei P40 Pro Battery Replacement: étape 6, image 3 de 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

  7. Huawei P40 Pro Battery Replacement: étape 7, image 1 de 2 Huawei P40 Pro Battery Replacement: étape 7, image 2 de 2
    • 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.

  8. Huawei P40 Pro Battery Replacement, Remove the rear glass: étape 8, image 1 de 3 Huawei P40 Pro Battery Replacement, Remove the rear glass: étape 8, image 2 de 3 Huawei P40 Pro Battery Replacement, Remove the rear glass: étape 8, image 3 de 3
    • Remove the rear glass.

  9. Huawei P40 Pro Battery Replacement, Remove the midframe screws: étape 9, image 1 de 1
    • Remove the eleven 4.5 mm-long Phillips #00 screws.

  10. Huawei P40 Pro Battery Replacement, Peel off the protective foil: étape 10, image 1 de 3 Huawei P40 Pro Battery Replacement, Peel off the protective foil: étape 10, image 2 de 3 Huawei P40 Pro Battery Replacement, Peel off the protective foil: étape 10, image 3 de 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.

  11. Huawei P40 Pro Battery Replacement, Pry up the midframe: étape 11, image 1 de 2 Huawei P40 Pro Battery Replacement, Pry up the midframe: étape 11, image 2 de 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.

  12. Huawei P40 Pro Battery Replacement: étape 12, image 1 de 3 Huawei P40 Pro Battery Replacement: étape 12, image 2 de 3 Huawei P40 Pro Battery Replacement: étape 12, image 3 de 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.

  13. Huawei P40 Pro Battery Replacement, Remove the midframe: étape 13, image 1 de 2 Huawei P40 Pro Battery Replacement, Remove the midframe: étape 13, image 2 de 2
    • Remove the midframe.

  14. Huawei P40 Pro Battery Replacement, Disconnect the interconnect cable: étape 14, image 1 de 2 Huawei P40 Pro Battery Replacement, Disconnect the interconnect cable: étape 14, image 2 de 2
    • Use the flat end of a spudger to pry up and disconnect the interconnect cable.

  15. Huawei P40 Pro Battery Replacement, Disconnect the battery cable: étape 15, image 1 de 2 Huawei P40 Pro Battery Replacement, Disconnect the battery cable: étape 15, image 2 de 2
    • Use the flat end of a spudger to pry up and disconnect the battery cable.

  16. Huawei P40 Pro Battery Replacement, Disconnect the antenna cable: étape 16, image 1 de 2 Huawei P40 Pro Battery Replacement, Disconnect the antenna cable: étape 16, image 2 de 2
    • Use a spudger tor pry up and disconnect the antenna flex cable.

  17. Huawei P40 Pro Battery Replacement: étape 17, image 1 de 2 Huawei P40 Pro Battery Replacement: étape 17, image 2 de 2
    • Fold the antenna cable to the side to avoid damaging it during the battery removal.

  18. Huawei P40 Pro Battery Replacement: étape 18, image 1 de 2 Huawei P40 Pro Battery Replacement: étape 18, image 2 de 2
    • Fold the interconnect flex cable toward the charging port in order to get access to the battery pull tabs.

    • You might want to use a small piece of tape to temporarily stick this cable onto your working desk to avoid accidentally damaging it during the battery removal.

  19. Huawei P40 Pro Battery Replacement, Peel the pull tabs off the battery: étape 19, image 1 de 2 Huawei P40 Pro Battery Replacement, Peel the pull tabs off the battery: étape 19, image 2 de 2
    • Take care not to puncture or bend the battery with your tool—a punctured or bent battery may leak dangerous chemicals or cause a thermal event.

    • Use a pair of blunt nose tweezers or a clean fingernail to peel the orange adhesive strip labelled with a 1 off the battery.

    • The orange adhesive tape will rip along a small perforated line.

  20. Huawei P40 Pro Battery Replacement: étape 20, image 1 de 2 Huawei P40 Pro Battery Replacement: étape 20, image 2 de 2
    • Use a pair of blunt nose tweezers or a clean fingernail to peel the orange adhesive strip labelled with a 2 off the battery.

    • The orange adhesive tape will rip along a small perforated line.

  21. Huawei P40 Pro Battery Replacement, Lift the battery out of its recess: étape 21, image 1 de 2 Huawei P40 Pro Battery Replacement, Lift the battery out of its recess: étape 21, image 2 de 2
    • Peel the orange adhesive strip labelled with a 3 off the battery.

    • Pull up on the orange adhesive strip to lift the battery out of its recess and swing it up to an upright position.

    • Although these adhesive tabs are supposed to make the battery removal easier, they may require some force. In case you're having trouble removing the battery, you can apply a heated iOpener to the center of the display to loosen the adhesive underneath.

  22. Huawei P40 Pro Battery Replacement, Remove the battery: étape 22, image 1 de 3 Huawei P40 Pro Battery Replacement, Remove the battery: étape 22, image 2 de 3 Huawei P40 Pro Battery Replacement, Remove the battery: étape 22, image 3 de 3
    • Peel the battery off the remaining adhesive.

    • Remove the battery.

    • During reassembly, temporarily reconnect the battery to the motherboard to help align it correctly. Disconnect the battery after it is seated.

    • Peel the battery's adhesive sticker off the midframe.

    • This step is mandatory if you are replacing the display. It is highly recommended to use a fresh adhesive sticker when installing a new battery.

Conclusion

If possible, turn on your device and test your repair before installing new adhesive and resealing.

Secure the new battery with pre-cut adhesive or double-sided adhesive tape. In order to position it correctly, apply the new adhesive into the device at the places where the old adhesive was located, not directly onto the battery. Press the new battery firmly into place.

To reassemble your device, follow these instructions in reverse order. Apply new adhesive where necessary after cleaning the relevant areas with isopropyl alcohol (>90%).

For optimal performance, after completing this guide, calibrate your newly installed battery.

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.

4 autres ont terminé cette réparation.

Dominik Schnabelrauch

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