Samsung Galaxy Tab S3 Daughterboard Replacement

Written By: Austin Blakely
  • Comments: 7
Samsung Galaxy Tab S3 Daughterboard Replacement

Difficulty

Moderate

Steps

14

Time Required

50 minutes

Introduction

This guide will show the process behind replacing a daughterboard in the Samsung Galaxy Tab S3. This will be useful for fixing a broken charging port, as the port is soldered onto the daughterboard. It would also be useful if the home button, auxiliary, charging port and left speaker simultaneously stopped working, as these components all filter communications through the daughterboard to the motherboard for processing.

  1. 3t4QN2TFGdIxTdPD

    • To soften the adhesive holding the tablet together, heat up the edges of the glass panel using a heated iOpener on the edge of the device. Alternatively you can use a heat gun to loosen the adhesive.

    • Leave the iOpener on edge for two minutes.

    • Be careful not to burn yourself while handling the hot iOpener. For more information on the iOpener, use the iOpener Instructions Guide.

    There is no reason to remove the screen while replacing a battery.

    Nick Youngstrom -

    Agreed , just remove back and warm up. Dont remove screen, is $220 to replace off ebay.

    Phenix City -

  2. DAZYkFYPtNtOtkYR

    • Place a suction cup near edge that you heated up with the iOpener.

    • Press down on the suction cup to create a seal, and pull up with force to create a separation between the display and the midframe.

    • Use an opening tool to split apart the glass panel from the midframe.

    • Be careful to not break the glass when prying from the frame.

    Bonjour, pour moi il est IMPÉRATIF d’opérer l’ouverture par le bord droit comme indiqué sur le tuto car de l’autre coté les nappes du LCD ne sont qu’à 3mm du bord et peuvent etre abimée comme je l’ai fait lors du décollage.

    Jacques Barreau -

  3. 5WVnDtgLFQ2aBkvn

    • As you continue along the edge using the opening tool, use a plastic card to keep the glass separate from the midframe.

    • You can also use multiple opening picks instead of a plastic card.

    For this part I recommend to insert the tools only on top, bottom and right side. Then lift the screen as shown in the pictures in step 4. The left side has the light ribbons for the display too close to the edge and they are really thin. I just broke the four of them in my screen :(

    Moisés Jover -

  4. aUgOL1dHjfry2fNP
    aUgOL1dHjfry2fNP
    vXPQQ3E1TCOKLxRR
    WXS1SPnjyHFo5fOU

    • Pull off the glass panel using the suction cup.

    • As you remove the glass panel, be careful not to tear the ribbon connecting the motherboard to the display.

    • Carefully disconnect the ribbon cable connecting the display assembly to the motherboard. You can disconnect this ribbon from either end.

  5. 3YxOlJbYmibLYPcL
    3YxOlJbYmibLYPcL
    uWHbvyCwhtluYkUS

    • Repeat steps 3 through 7 to remove the rear glass panel on the opposite side of the device.

  6. AHWIsRQQCASFTBQi
    AHWIsRQQCASFTBQi
    iTX1V4OueUQQBgZm

    • Use a Phillips #000 screwdriver to unscrew the five screws securing the battery, and the twenty-two screws surrounding the midframe.

  7. XwhP12OqaTTPosdE

    • The midframe should snap off from the device’s motherboard.

  8. hgG1UXji15kFE5tL
    hgG1UXji15kFE5tL
    qBJ1RMUNhhKOtFFA
    ReQ51gsyGj3gVaKG

    • Locate the ribbon running from the midframe and disconnect it from the motherboard with the flat end of a spudger.

  9. 1nnfDTSMJJlXNdrY
    1nnfDTSMJJlXNdrY
    2fOvSSqTqqUts5KF

    • Use the flat end of the spudger to pop off the connector between the battery and the motherboard.

  10. 4EdLM4DbCvJgmVd4
    4EdLM4DbCvJgmVd4
    jylIxtEgIxNBMeYe

    • Flip the midframe over and pop the battery out, making sure to slide it out from underneath the ribbon cables.

  11. fBO1qGDKmcUPfToY

    • The battery should now be removed and detached from the device.

  12. yASuLfuDBr4BUBVJ
    yASuLfuDBr4BUBVJ
    K5cK66MdAkhMPquN
    N21tPkL5oA3eaSdI

    • Use a spudger to pry up four press fit connectors from the lower board containing the charging port.

  13. 4n3iKOfxmToAJSHM
    4n3iKOfxmToAJSHM
    ZIWZJwf64GYcWM6i
    RStXnL5SJpvwmB1W

    • Pry up the two coaxial cables joining the daughterboard to the motherboard.

    • Be sure to pull the white coaxial cable from the small bracket holding the wire to the daughterboard before removal.

  14. yWlqcwqRren5gyE5
    yWlqcwqRren5gyE5
    2TWBygDLAMLIHyUZ
    Pt2KwQ4NbLlQTDKO

    • Pry the daughterboard up from the midframe with a spudger.

    • Remove the daughterboard.

Conclusion

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

Author

Austin Blakely

Member since: 11/03/19

20884 Reputation

3 comments

Do you need to remove the front display assembly to replace the daughterboard? From the images it appears you just have to go in through the back glass to do this job. Confused.

Grant Ormsby -

You do, because the midframe is adhered to both the front and back. It won't come off if you just take off the back.

Flint Green -

You don't have to take screen off. Just disconnect battery.

Jake Fowler -