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Samsung Galaxy S24 Ultra Logic Board Repair

Logic Board Repair guide for the Samsung Galaxy S24 Ultra

Expert
~48 min
17 steps

Before you begin

Tools

  • Heat gun or hair dryer
  • Suction cup tool
  • Plastic prying tools
  • Precision screwdriver set (Phillips #000)
  • Spudger tool
  • Tweezers
  • SIM eject tool

Parts / materials

  • Rear glass adhesive strips
  • Isopropyl alcohol (99%)
  • Thermal paste

Safety

  • Power off the device completely before beginning disassembly.
  • Wear safety glasses while heating and prying glass components.
  • Always disconnect the battery connector first before handling any circuit board elements.

Overview

# Samsung Galaxy S24 Ultra Logic Board Repair Repair Guide Action-specific logic board repair walkthrough for the Samsung Galaxy S24 Ultra. About 48 minutes across 17 steps. This DIY guide walks through logic board repair on the Samsung Galaxy S24 Ultra (Galaxy S series phone). Before you open the device, confirm the exact model number on the Samsung settings screen or rear housing so your replacement part matches the Galaxy S24 Ultra specifically—not a similar Galaxy S sibling. Most DIY techs finish this Samsung Galaxy S24 Ultra logic board repair in about 48 minutes when parts and tools are ready. Difficulty is rated expert for this model. Recommended tools for this Samsung Galaxy S24 Ultra job: Heat gun or hair dryer, Suction cup tool, Plastic prying tools, Precision screwdriver set (Phillips #000), Spudger tool, Tweezers, SIM eject tool. Parts and supplies: Rear glass adhesive strips, Isopropyl alcohol (99%), Thermal paste. Power the Galaxy S24 Ultra off completely, remove SIMs/SD cards if present, and work on a clean, well-lit surface with a magnetic mat for screws. If a step feels wrong for your Samsung Galaxy S24 Ultra, stop and compare the connector layout to the photos in this guide. When you prefer a same-day pro repair in Seattle instead, LML Repair can handle logic board repair for this model with tested parts and a workmanship warranty.

Step-by-step

  1. 1

    Eject S-Pen and SIM tray

    2 min

    Insert a SIM eject tool into the bottom pinhole to remove the SIM tray. Press and remove the S-Pen from its slot.

  2. 2

    Heat the rear glass panel

    3 min

    Apply heat around the perimeter of the back cover for 2 to 3 minutes to soften the internal adhesive.

  3. 3

    Slice the rear panel adhesive

    5 min

    Attach a suction cup near the bottom edge, pull upward, and insert an opening pick into the seam. Carefully slide the pick around all edges.

  4. 4

    Lift off the rear glass

    2 min

    Carefully tilt up and remove the back glass panel from the chassis once all adhesive is cut.

  5. 5

    Unscrew the top motherboard bracket

    4 min

    Use a Phillips #000 screwdriver to remove the screws securing the upper wireless charging coil and antenna assembly.

  6. 6

    Remove the wireless charging assembly

    2 min

    Peel back the graphite sheet and lift the top plastic bracket away from the frame.

  7. 7

    Disconnect the battery cable

    1 min

    Use the flat end of a plastic spudger to pry the battery press connector straight up from its socket.

  8. 8

    Disconnect the display flex cable

    2 min

    Pry up the main display ribbon cable connector attached to the lower section of the logic board.

  9. 9

    Disconnect the interconnect flex cables

    2 min

    Unplug the auxiliary and sub-board flex connectors from the motherboard using a plastic spudger.

  10. 10

    Disconnect the front camera

    2 min

    Pry up the selfie camera connector press-fit socket and lift the camera out of its housing recess.

  11. 11

    Remove the logic board securing screw

    2 min

    Unscrew the single Phillips screw fixing the top logic board assembly to the aluminum frame.

  12. 12

    Lift out the logic board

    2 min

    Gently pry beneath the edges of the logic board with a spudger and remove it from the device frame.

  13. 13

    Apply fresh thermal paste

    3 min

    Clean off old thermal pad residue on the vapor chamber area and apply a small drop of fresh thermal paste.

  14. 14

    Position the new logic board

    3 min

    Lower the replacement logic board into the frame, ensuring all underlying flex cables remain accessible.

  15. 15

    Reconnect all motherboard connectors

    4 min

    Snap the display, interconnect, camera, and battery cables firmly back onto their logic board sockets.

  16. 16

    Reinstall the top bracket

    4 min

    Align the upper shield and wireless charging assembly, then tighten all reserved Phillips screws.

  17. 17

    Reseal the back glass panel

    5 min

    Apply new perimeter adhesive tape to the frame, align the rear glass, and press firmly along the edges.

After your Samsung Galaxy S24 Ultra logic board repair

Power the Galaxy S24 Ultra back on and test the logic board repair function before you put every screw away. Check touch/display response, charging, cameras, buttons, and wireless as relevant to this repair. If something fails after closing the device, reopen carefully and reseat the connectors for this Samsung Galaxy S24 Ultra job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.

Keep learning

Explore more Samsung Galaxy S24 Ultra repair context in the encyclopedia, or open related DIY guides.

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