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Samsung Galaxy A53 5G Daughterboard Replacement

What you need

  1. Samsung Galaxy A53 5G Daughterboard Replacement, Heat the back cover: step 1, image 1 of 1
    • Prepare an iOpener and apply it to the back cover for at least two minutes to loosen the adhesive underneath.

    • A hair dryer, heat gun, or hot plate may also be used, but be careful not to overheat the phone—the display and internal battery are both susceptible to heat damage.

  2. Samsung Galaxy A53 5G Daughterboard Replacement, Insert an opening pick: step 2, image 1 of 2 Samsung Galaxy A53 5G Daughterboard Replacement, Insert an opening pick: step 2, image 2 of 2
    • Secure a suction handle to the right edge of the back cover, as close to the edge as possible.

    • 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 opening pick into the gap you created.

  3. Samsung Galaxy A53 5G Daughterboard Replacement, Slice the adhesive: step 3, image 1 of 3 Samsung Galaxy A53 5G Daughterboard Replacement, Slice the adhesive: step 3, image 2 of 3 Samsung Galaxy A53 5G Daughterboard Replacement, Slice the adhesive: step 3, image 3 of 3
    • Slide the opening pick to the top right corner to slice the adhesive.

    • Leave the opening pick in place to prevent the adhesive from resealing.

  4. Samsung Galaxy A53 5G Daughterboard Replacement, Slice the adhesive: step 4, image 1 of 3 Samsung Galaxy A53 5G Daughterboard Replacement, Slice the adhesive: step 4, image 2 of 3 Samsung Galaxy A53 5G Daughterboard Replacement, Slice the adhesive: step 4, image 3 of 3
    • Insert a second opening pick at the top right edge of your phone.

    • Slide the opening pick to the bottom right corner to slice the adhesive.

    • Leave the opening picks in place to prevent the adhesive from resealing.

  5. Samsung Galaxy A53 5G Daughterboard Replacement: step 5, image 1 of 3 Samsung Galaxy A53 5G Daughterboard Replacement: step 5, image 2 of 3 Samsung Galaxy A53 5G Daughterboard Replacement: step 5, image 3 of 3
    • If the adhesive becomes hard to cut, it has most likely cooled down. Use your iOpener for one to two minutes to reheat it.

    • Insert a third opening pick at the bottom right corner of your phone.

    • Slide the opening pick along the bottom edge of your phone to slice the adhesive.

    • Leave the opening pick in the bottom left corner to prevent the adhesive from resealing.

  6. Samsung Galaxy A53 5G Daughterboard Replacement: step 6, image 1 of 3 Samsung Galaxy A53 5G Daughterboard Replacement: step 6, image 2 of 3 Samsung Galaxy A53 5G Daughterboard Replacement: step 6, image 3 of 3
    • Insert a fourth opening pick at the bottom left corner of your phone.

    • Slide the opening pick along the left edge to slice the adhesive.

    • Leave the opening pick in the top left corner to prevent the adhesive from resealing.

  7. Samsung Galaxy A53 5G Daughterboard Replacement: step 7, image 1 of 2 Samsung Galaxy A53 5G Daughterboard Replacement: step 7, image 2 of 2
    • Insert a fifth opening pick at the top left corner.

    • Slide the opening pick along the top edge of the back cover to slice the remaining adhesive.

  8. Samsung Galaxy A53 5G Daughterboard Replacement, Remove the back cover: step 8, image 1 of 1
    • Remove the back cover.

    • Apply new adhesive where necessary after cleaning the relevant areas with isopropyl alcohol (>90%).

    • Secure the new back cover with pre-cut adhesive or double-sided adhesive tape. After installing the back cover, apply strong, steady pressure to your phone for several minutes to help the adhesive form a good bond—a stack of heavy books works well.

  9. Samsung Galaxy A53 5G Daughterboard Replacement, Unscrew the motherboard cover: step 9, image 1 of 1
    • Use a Phillips screwdriver to remove the eight 3.9 mm-long screws securing the motherboard cover.

  10. Samsung Galaxy A53 5G Daughterboard Replacement, Pry up the motherboard cover: step 10, image 1 of 3 Samsung Galaxy A53 5G Daughterboard Replacement, Pry up the motherboard cover: step 10, image 2 of 3 Samsung Galaxy A53 5G Daughterboard Replacement, Pry up the motherboard cover: step 10, image 3 of 3
    • Insert the flat end of an spudger into the gap between the frame and the motherboard cover on the right edge.

    • Use the spudger to pry up the motherboard cover.

  11. Samsung Galaxy A53 5G Daughterboard Replacement, Remove the motherboard cover: step 11, image 1 of 1
    • Remove the motherboard cover.

  12. Samsung Galaxy A53 5G Daughterboard Replacement, Disconnect the battery cable: step 12, image 1 of 2 Samsung Galaxy A53 5G Daughterboard Replacement, Disconnect the battery cable: step 12, image 2 of 2
    • Use a spudger to disconnect the battery cable by prying the connector straight up from its socket.

  13. Samsung Galaxy A53 5G Daughterboard Replacement, Unfasten the loudspeaker screws: step 13, image 1 of 1
    • Use a Phillips screwdriver to remove the seven 3.9 mm-long screws securing the loudspeaker assembly.

  14. Samsung Galaxy A53 5G Daughterboard Replacement, Remove the loudspeaker: step 14, image 1 of 3 Samsung Galaxy A53 5G Daughterboard Replacement, Remove the loudspeaker: step 14, image 2 of 3 Samsung Galaxy A53 5G Daughterboard Replacement, Remove the loudspeaker: step 14, image 3 of 3
    • Insert the flat end of a spudger into the gap between the right edge of the loudspeaker assembly and the midframe.

    • Use your spudger to pry up the loudspeaker assembly.

    • Remove the loudspeaker assembly.

  15. Samsung Galaxy A53 5G Daughterboard Replacement, Heat the fingerprint sensor: step 15, image 1 of 1
    • The fingerprint sensor of the Galaxy A53 5G is held in place by adhesive.

    • Prepare an iOpener and apply it to the display for at least two minutes to loosen the adhesive underneath.

    • A hair dryer, heat gun, or hot plate may also be used, but be careful not to overheat the phone—the display and internal battery are both susceptible to heat damage.

  16. Samsung Galaxy A53 5G Daughterboard Replacement, Disconnect the fingerprint sensor: step 16, image 1 of 2 Samsung Galaxy A53 5G Daughterboard Replacement, Disconnect the fingerprint sensor: step 16, image 2 of 2
    • Use the flat end of a spudger to disconnect the fingerprint sensor from the daughterboard.

  17. Samsung Galaxy A53 5G Daughterboard Replacement, Remove the fingerprint sensor: step 17, image 1 of 3 Samsung Galaxy A53 5G Daughterboard Replacement, Remove the fingerprint sensor: step 17, image 2 of 3 Samsung Galaxy A53 5G Daughterboard Replacement, Remove the fingerprint sensor: step 17, image 3 of 3
    Tool used on this step:
    Tweezers
    $4.99
    Buy
    • Use the flat end of a spudger to pry the fingerprint sensor straight out of its socket.

    • Use a pair of tweezers or your fingers to remove the fingerprint sensor.

  18. Samsung Galaxy A53 5G Daughterboard Replacement, Disconnect the antenna cables: step 18, image 1 of 3 Samsung Galaxy A53 5G Daughterboard Replacement, Disconnect the antenna cables: step 18, image 2 of 3 Samsung Galaxy A53 5G Daughterboard Replacement, Disconnect the antenna cables: step 18, image 3 of 3
    Tool used on this step:
    Tweezers
    $4.99
    Buy
    • Use a pair of blunt nose tweezers to pull up and disconnect the black and white antenna cables from the daughterboard.

    • Grab the cables at the metal ends and not at the cable itself to avoid damaging the cables.

    • During reassembly, these can be tricky to reconnect. One at a time, hold each connector in place over its socket and press down with the flat end of a spudger. The connector should snap into place.

  19. Samsung Galaxy A53 5G Daughterboard Replacement, Disconnect the interconnect cable: step 19, image 1 of 3 Samsung Galaxy A53 5G Daughterboard Replacement, Disconnect the interconnect cable: step 19, image 2 of 3 Samsung Galaxy A53 5G Daughterboard Replacement, Disconnect the interconnect cable: step 19, image 3 of 3
    • Use the flat end of a spudger to pry the two interconnect cable connectors straight up from their sockets on the daugtherboard.

  20. Samsung Galaxy A53 5G Daughterboard Replacement, Remove the SIM card tray: step 20, image 1 of 3 Samsung Galaxy A53 5G Daughterboard Replacement, Remove the SIM card tray: step 20, image 2 of 3 Samsung Galaxy A53 5G Daughterboard Replacement, Remove the SIM card tray: step 20, image 3 of 3
    • Insert a SIM card eject tool or a paperclip into the small hole in the SIM card tray, located on the bottom right corner of the phone.

    • Press firmly to eject the tray.

    • Remove the SIM card tray from the phone.

  21. Samsung Galaxy A53 5G Daughterboard Replacement, Pry up the display connector: step 21, image 1 of 2 Samsung Galaxy A53 5G Daughterboard Replacement, Pry up the display connector: step 21, image 2 of 2
    • The connector is held in place by mild adhesive.

    • Use the flat end of a spudger to pry up the display connector from the daughterboard.

  22. Samsung Galaxy A53 5G Daughterboard Replacement, Unscrew the daughterboard: step 22, image 1 of 1
    • Use a Phillips screwdriver to remove the two 2.9 mm-long screws securing the daughterboard.

  23. Samsung Galaxy A53 5G Daughterboard Replacement, Remove the daughterboard: step 23, image 1 of 3 Samsung Galaxy A53 5G Daughterboard Replacement, Remove the daughterboard: step 23, image 2 of 3 Samsung Galaxy A53 5G Daughterboard Replacement, Remove the daughterboard: step 23, image 3 of 3
    • Use your fingers to remove the daughterboard.

Conclusion

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

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

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.

5 other people completed this guide.

Adriana Zwink

Member since: 12/18/19

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