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Inleiding

Use this guide to remove or replace the I/O Daughterboard in your Samsung Galaxy S8 Active. Components that would warrant replacement of the daughterboard include a damaged USB-C connector or microphone.

This guide involves removing the back cover of the device, so you will need replacement adhesive to reattach the back cover to the phone.

Before disassembling your device, be sure the battery is charged below 25%. If accidentally punctured or damaged, the battery can catch fire and/or explode; if discharged below 25%, the chances of fire/explosion is decreased.

  1. Samsung Galaxy S8 Active I/O Daughterboard Replacement, SIM Tray/Card: stap 1, afbeelding 1 van 2 Samsung Galaxy S8 Active I/O Daughterboard Replacement, SIM Tray/Card: stap 1, afbeelding 2 van 2
    • Insert and gently push the SIM card ejector tool (or an unfolded paperclip) into the small hole on the left side of the top edge of the phone.

    • Press gently to eject the SIM tray.

    • Remove the SIM card tray from the device.

    • To reinsert the SIM card tray, orient the SIM card with the gold contacts facing up and the notch to the bottom right. Reinsert the SIM card by pressing the card gently into the SIM tray slot.

  2. Samsung Galaxy S8 Active I/O Daughterboard Replacement, NFC Antenna and Charging Coil Assembly: stap 2, afbeelding 1 van 3 Samsung Galaxy S8 Active I/O Daughterboard Replacement, NFC Antenna and Charging Coil Assembly: stap 2, afbeelding 2 van 3 Samsung Galaxy S8 Active I/O Daughterboard Replacement, NFC Antenna and Charging Coil Assembly: stap 2, afbeelding 3 van 3
    • Removing the back cover of the S8 Active will compromise its waterproof seals. Have replacement adhesive on hand before you proceed, or be sure to avoid exposure to liquid if you do not replace the adhesive when you reassemble the device.

    • Remove four black 3mm screws from the outside edges of the device that hold the rubber bumpers in place using the TR6 Torx Security Screwdriver.

    • Take off the rubber bumpers from the top and bottom edges of the device.

  3. Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 3, afbeelding 1 van 1
    • Use a heat gun to lightly heat the edges of the back to soften the adhesive that connects the back cover to the rest of the frame.

    • An iFixit iOpener, hair dryer, or hot plate can also be used to heat the edges.

    • Using a heat gun, hair dryer, or hot plate will make the metal frame rather hot to the touch, so handle it with care.

    • Be careful not to overheat the device –the OLED display, battery and other internal parts can be damaged by excessive heat. Approximately one minute should be enough to soften the adhesive.

  4. Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 4, afbeelding 1 van 3 Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 4, afbeelding 2 van 3 Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 4, afbeelding 3 van 3
    • Insert the Jimmy tool under the edge of the back cover.

    • Because of the texture of the back cover, a suction handle does not provide any grip to help lift the back cover.

    • Once the Jimmy tool is under the edge of the cover, insert an opening pick into the seam to prevent the seam from closing if the Jimmy tool slips or is accidentally removed.

    • Cut slowly around the top section of the device and be careful to avoid damaging the cables for the fingerprint sensor and camera. Avoid prying too far into the top of the device to protect the fingerprint sensor.

    • Slide the Jimmy tool down the sides of the device, separating the adhesive.

  5. Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 5, afbeelding 1 van 1
    • Use the opening pick to slice through any remaining adhesive.

    • If you have replacement adhesive strips, remove any remaining adhesive from the device frame using the Jimmy tool.

    • Open the back cover slightly to the point that you can see the fingerprint sensor flex cable connector.

    • The fingerprint sensor cable connects towards the top of the phone near the front-facing camera. To avoid tearing the cable, pull the back cover off gently.

  6. Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 6, afbeelding 1 van 2 Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 6, afbeelding 2 van 2
    • Slowly flip the cover over and set it down on top of the rest of the device.

    • Disconnect the fingerprint flex cable using the flat end of a spudger.

    • Remove the back cover.

    • To reconnect the fingerprint sensor cable during reassembly, angle the back cover until the flex cable lines up over its socket. Use the flat end of a spudger to snap the cable in place by gently pressing straight down.

  7. Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 7, afbeelding 1 van 3 Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 7, afbeelding 2 van 3 Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 7, afbeelding 3 van 3
    • Remove eleven 3.5 mm screws using a Phillips #00 Screwdriver.

    • Remove two 2mm screws using a Phillips #00 Screwdriver.

  8. Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 8, afbeelding 1 van 2 Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 8, afbeelding 2 van 2
    • Remove the NFC antenna and charging coil assembly using the flat end of a spudger.

  9. Samsung Galaxy S8 Active I/O Daughterboard Replacement, Loudspeaker Assembly: stap 9, afbeelding 1 van 3 Samsung Galaxy S8 Active I/O Daughterboard Replacement, Loudspeaker Assembly: stap 9, afbeelding 2 van 3 Samsung Galaxy S8 Active I/O Daughterboard Replacement, Loudspeaker Assembly: stap 9, afbeelding 3 van 3
    • Remove the loudspeaker assembly using the flat end of a spudger.

  10. Samsung Galaxy S8 Active I/O Daughterboard Replacement, Headphone Jack: stap 10, afbeelding 1 van 3 Samsung Galaxy S8 Active I/O Daughterboard Replacement, Headphone Jack: stap 10, afbeelding 2 van 3 Samsung Galaxy S8 Active I/O Daughterboard Replacement, Headphone Jack: stap 10, afbeelding 3 van 3
    • Remove one 3.5 mm screw using a Phillips #00 screwdriver.

  11. Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 11, afbeelding 1 van 2 Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 11, afbeelding 2 van 2
    • Disconnect the headphone jack flex cable using the flat end of a spudger.

  12. Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 12, afbeelding 1 van 1
    • Insert the Phillips #00 Screwdriver into the headphone jack located on the bottom edge of the device.

    • Gently push the screwdriver upwards, ejecting the headphone jack.

  13. Samsung Galaxy S8 Active I/O Daughterboard Replacement, Motherboard: stap 13, afbeelding 1 van 3 Samsung Galaxy S8 Active I/O Daughterboard Replacement, Motherboard: stap 13, afbeelding 2 van 3 Samsung Galaxy S8 Active I/O Daughterboard Replacement, Motherboard: stap 13, afbeelding 3 van 3
    • Disconnect the battery flex cable using the flat end of a spudger.

  14. Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 14, afbeelding 1 van 2 Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 14, afbeelding 2 van 2
    • Remove one 3.5 mm screw using a Phillips #00 Screwdriver.

  15. Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 15, afbeelding 1 van 2 Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 15, afbeelding 2 van 2
    • Disconnect the Volume Up, Volume Down, and Bixby button flex cable using the flat end of a spudger.

  16. Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 16, afbeelding 1 van 2 Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 16, afbeelding 2 van 2
    • Disconnect the display flex cable using the flat end of a spudger.

  17. Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 17, afbeelding 1 van 2 Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 17, afbeelding 2 van 2
    • Disconnect the charging port flex cable using the flat end of a spudger.

  18. Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 18, afbeelding 1 van 3 Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 18, afbeelding 2 van 3 Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 18, afbeelding 3 van 3
    • Disconnect the black and white antenna cables using the flat end of a spudger.

  19. Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 19, afbeelding 1 van 2 Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 19, afbeelding 2 van 2
    • The motherboard rests on top of the daughterboard, and there is a flex cable connecting them. Disconnect the flex cable that connects the motherboard to the daughterboard using the flat end of a spudger.

  20. Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 20, afbeelding 1 van 2 Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 20, afbeelding 2 van 2
    • Position the flat end of a spudger at the top edge of the motherboard.

    • Carefully pry up and remove the motherboard.

  21. Samsung Galaxy S8 Active I/O Daughterboard Replacement, I/O Daughterboard: stap 21, afbeelding 1 van 3 Samsung Galaxy S8 Active I/O Daughterboard Replacement, I/O Daughterboard: stap 21, afbeelding 2 van 3 Samsung Galaxy S8 Active I/O Daughterboard Replacement, I/O Daughterboard: stap 21, afbeelding 3 van 3
    • Remove five 3.5 mm screws using a Philips #00 screwdriver.

  22. Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 22, afbeelding 1 van 3 Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 22, afbeelding 2 van 3 Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 22, afbeelding 3 van 3
    • Disconnect the black and white cellular antennas using the flat end of a spudger.

  23. Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 23, afbeelding 1 van 1
    • Detach the flex cable that connects the charging port to the motherboard using the flat end of a spudger.

    • The flex cable is lightly glued to the device's frame with a small bit of adhesive.

  24. Samsung Galaxy S8 Active I/O Daughterboard Replacement: stap 24, afbeelding 1 van 1
    • Starting from the middle of the I/O daughterboard, carefully lift the daughterboard up using the flat end of a spudger.

    • Remove the I/O daughterboard.

Conclusie

To reassemble your device, follow these instructions in reverse order.

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Één commentaar

Thanks for writing this guide! It let me fix my phone successfully :)

Here are a few tips for anyone else trying to follow this guide:

- The screw sizes (3.5mm vs 2mm) are off. All the earlier screws are 3.5mm, and all the later ones are 2mm

- It’s a bit risky, buy you may need to gently use something sharp to cut away the back cover. I very carefully used an exacto knife, only cutting in a few millimeters to get it started. Then I switched to a putty knife.

- Connect the motherboard and the IO daughterboard before inserting them back into the phone.

- The black and white antenna cables must be placed very particularly to allow the loudspeaker to fit. Route them through the small notch in the motherboard, which you must do before putting the motherboard back in.

- Make sure the loudspeaker assembly, NFC and charging coil are flush with the back cover when you insert them. This requires aligning the tabs at the edges underneath the adhesive. This is important if you want the back cover to fit properly.

Benjamin Hannel - Antwoord

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