Remove the motherboard after water damage.

In this repair guide, we show you how to remove your Mate S’ PCB on your own. You need to remove the PCB if you want to clean it after water damage.

Required tools

Show all replacement parts for the Mate S 

Getting started with the repair of your Mate S

If you get stuck or have questions, you can post a comment. We’d be happy to help.

19 steps
  1. Switching off your device

    Mate S - Switching off your device 01
    Mate S - Switching off your device 02
    Mate S - Switching off your device 03
    1. Turn off your device holding down the power button until a menu appears. Select “Power off” and tap again to confirm.
  2. Removing the SIM card tray

    Mate S - Removing the SIM card tray 01
    Mate S - Removing the SIM card tray 02
    1. Insert your SIM tool into the little opening on the tray to unlock the tray.
    2. Remove the SIM tray and, if applicable, the SIM and microSD cards.
  3. Removing the enclosure screws

    Mate S - Removing the enclosure screws 01
    1. Unscrew and remove the two screws at the bottom of the device that keep the enclosure closed.
      2 x 3.1 mm T2 Torx screw
  4. Lifting the display

    Mate S - Lifting the display 01
    Mate S - Lifting the display 02
    Mate S - Lifting the display 03
    Mate S - Lifting the display 04
    Mate S - Lifting the display 05
    1. Put the suction cup as far down on the display as possible, for example where it says “Huawei.” If the glass is too cracked for the suction cup to generate a vacuum, you can cover the display with tape.
    2. Pull on the suction cup while using the pick to push the back cover against the table. As soon as a gap appears between the display and the enclosure, you can carefully insert the pick.
    3. Also move the pick along the edges to disconnect the display on the sides. Continue to pull carefully on the suction cup.
    4. The fingerprint sensor is installed in the back cover. A flexible flat cable connects this sensor to the motherboard. Be careful when you take off the display to avoid damaging the cable or board.

    5. Carefully lift the display. Slowly open the device at the short upper edge like a book. Now you should be able to see the connection cable.
    6. Disconnect the cable from the motherboard by carefully inserting the spudger below the contact and disconnecting it.
  5. Disconnecting the battery contact

    Mate S - Disconnecting the battery contact 01
    Mate S - Disconnecting the battery contact 02
    Mate S - Disconnecting the battery contact 03
    Mate S - Disconnecting the battery contact 04
    1. Remove the two screws that hold the black plate in place.
      2 x 2.3 mm PH00 Phillips screw
    2. Disconnect the plate from the motherboard. The plate is hooked on in three places. Insert the tweezers below the plate and carefully unhook it.
    3. Disconnect the battery contact from the motherboard. Carefully insert the spudger below the contact and disconnect it from the socket.
  6. Removing the headphone jack

    Mate S - Removing the headphone jack 01
    Mate S - Removing the headphone jack 02
    Mate S - Removing the headphone jack 03
    Mate S - Removing the headphone jack 04
    1. Carefully detach the headphone jack’s plug connector using the spudger.
    2. Then remove the jack from the enclosure.
  7. Removing the rear camera

    Mate S - Removing the rear camera 01
    Mate S - Removing the rear camera 02
    Mate S - Removing the rear camera 03
    Mate S - Removing the rear camera 04
    1. The rear camera is held in place by a plate. Grip the plate with the tweezers, carefully detach it and remove it.
    2. Using the spudger, carefully disconnect the plug connector from the PCB.
    3. Remove the rear-facing camera.
  8. Removing the control buttons

    Mate S - Removing the control buttons 01
    Mate S - Removing the control buttons 02
    Mate S - Removing the control buttons 03
    Mate S - Removing the control buttons 04
    Mate S - Removing the control buttons 05
    1. Disconnect the plug contact for the control buttons from the motherboard.
    2. The control buttons are glued to the display frame on the side. Insert the steel laboratory spatula between the frame and the cable to detach the glue. Start with the individual button. The cable’s very delicate.
    3. Then disconnect the other two buttons from the frame.
    4. Remove the cable.
  9. Removing the motherboard

    Mate S - Removing the motherboard 01
    Mate S - Removing the motherboard 02
    Mate S - Removing the motherboard 03
    Mate S - Removing the motherboard 04
    1. Four screws hold the motherboard in the enclosure. Remove the screws.
      4 x 2.3 mm PH00 Phillips screw
    2. There are also hooks holding the board in place. Carefully detach the board on the right side by using the spudger as a lever.
    3. Repeat this step on the left side.
    4. Remove the board.
  10. The right tools for your repair

    With the right tools, you will succeed in any repair. In our store you will find a large selection of professional quality tools.
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  11. Disconnecting the display

    Mate S - Disconnecting the display 01
    Mate S - Disconnecting the display 02
    Mate S - Disconnecting the display 03
    Mate S - Disconnecting the display 04
    1. First disconnect the display connection from the motherboard. Insert the spudger below the contact and disconnect it.
    2. Disconnect the connection cable for the lower board.
    3. Disconnect the coaxial antenna cable from the board. Don’t pull on the cable because you could break off the connector.
  12. Connecting the display

    Mate S - Connecting the display 01
    Mate S - Connecting the display 02
    Mate S - Connecting the display 03
    1. Connect the antenna cable to the motherboard. Press the contact onto the socket carefully but with some force.
    2. Then reconnect the contact between the connection cable and the motherboard.
    3. Connect the display to the board again.
  13. Installing the motherboard

    Mate S - Installing the motherboard 01
    Mate S - Installing the motherboard 02
    Mate S - Installing the motherboard 03
    1. Put the board back in the enclosure. Make sure no cables get stuck below the board.
    2. Press it on with your fingers until it clicks into the enclosure.
    3. Fasten the motherboard with the four screws.
      4 x 2.3 mm PH00 Phillips screw
  14. Installing the control buttons

    Mate S - Installing the control buttons 01
    Mate S - Installing the control buttons 02
    Mate S - Installing the control buttons 03
    1. Stick the control buttons back on the enclosure frame. Make sure the little openings in the cable go over the tabs on the frame.
    2. Press the entire cable firmly onto the side of the frame so the glue will stick.
    3. Connect the plug contact to the board.
  15. Installing the rear camera

    Mate S - Installing the rear camera 01
    Mate S - Installing the rear camera 02
    Mate S - Installing the rear camera 03
    Mate S - Installing the rear camera 04
    1. Put the camera back in the enclosure.
    2. Connect the plug contact to the motherboard.
    3. Secure the camera with the plate.
  16. Installing the headphone jack

    Mate S - Installing the headphone jack 01
    Mate S - Installing the headphone jack 02
    Mate S - Installing the headphone jack 03
    Mate S - Installing the headphone jack 04
    1. Put the headphone jack back in your device. There’s a recess at the upper end of the enclosure where the jack goes.
    2. Connect the plug contact to the motherboard.
      Headphone jack connection
  17. Connecting the battery contact

    Mate S - Connecting the battery contact 01
    Mate S - Connecting the battery contact 02
    Mate S - Connecting the battery contact 03
    Mate S - Connecting the battery contact 04
    1. Connect the battery contact to the motherboard again by carefully pressing the contact into the socket with your finger until you hear it click into place.
      Battery contact
    2. Put on the black plate to hold the contacts in place. Hook it onto the board.
    3. Fasten the plate with the two screws.
      2 x 2.3 mm PH00 Phillips screw
  18. Installing the display

    Mate S - Installing the display 01
    Mate S - Installing the display 02
    Mate S - Installing the display 03
    1. Put the back cover at the short upper edge of the display and carefully connect the fingerprint sensor’s contact. You have to hear the contact click into place.
    2. Close the device by folding down the back cover and pressing on the display.
  19. Fastening the enclosure screws

    Mate S - Fastening the enclosure screws 01
    1. Use the two screws on the bottom of the enclosure to close the device.
      2 x 3.1 mm T2 Torx screw
  20. Installing the SIM card tray

    Mate S - Installing the SIM card tray 01
    1. Put the SIM tray and any cards back in your device. Make sure the tray is positioned properly.
Ø 5 (4 Ratings)

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