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Samsung Galaxy A54 Logic Board Repair

Logic Board Repair guide for the Samsung Galaxy A54

Expert
~29 min
13 steps

Before you begin

Tools

  • Heat gun or hair dryer
  • Suction cup tool
  • Plastic prying tools
  • Precision screwdriver set (Phillips #00)
  • Spudger tool
  • Tweezers
  • SIM eject tool

Parts / materials

  • Replacement back cover adhesive precut sticker
  • 99% Isopropyl alcohol

Safety

  • Wear safety glasses to protect against potential glass fragments when removing the back cover.
  • Disconnect the battery before touching or disconnecting any other internal components.
  • Handle the lithium-ion battery with care to avoid punctures or bends.

Overview

# Samsung Galaxy A54 Logic Board Repair Repair Guide Action-specific logic board repair walkthrough for the Samsung Galaxy A54. About 29 minutes across 13 steps. This DIY guide walks through logic board repair on the Samsung Galaxy A54 (Galaxy A 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 A54 specifically—not a similar Galaxy A sibling. Most DIY techs finish this Samsung Galaxy A54 logic board repair in about 29 minutes when parts and tools are ready. Difficulty is rated expert for this model. Recommended tools for this Samsung Galaxy A54 job: Heat gun or hair dryer, Suction cup tool, Plastic prying tools, Precision screwdriver set (Phillips #00), Spudger tool, Tweezers, SIM eject tool. Parts and supplies: Replacement back cover adhesive precut sticker, 99% Isopropyl alcohol. Power the Galaxy A54 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 A54, 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

    Heat the Back Cover

    3 min

    Apply heat around the outer edges of the back panel for 2 to 3 minutes using a heat gun to soften the adhesive.

  2. 2

    Attach Suction Cup

    2 min

    Press a suction cup onto the lower portion of the back panel and pull up firmly to create a slight gap.

  3. 3

    Slice Rear Adhesive

    4 min

    Insert an opening pick into the gap and slowly slide it along all four edges to slice through the adhesive seal.

  4. 4

    Remove Back Panel

    2 min

    Carefully lift the back cover off the chassis and set it aside on your work surface.

  5. 5

    Unscrew Midframe Bracket

    4 min

    Remove the 13 Phillips #00 screws securing the plastic motherboard midframe cover to the body.

  6. 6

    Pry Off Upper Cover

    2 min

    Insert a spudger under the notch on the upper midframe cover and gently pry it off the phone.

  7. 7

    Disconnect Battery Connector

    1 min

    Use a plastic spudger to pop the battery press connector straight up off the logic board.

  8. 8

    Disconnect Interconnect Cables

    2 min

    Unplug the display flex cable and sub-board interconnect cable from their logic board sockets.

  9. 9

    Unplug Antenna Cables

    2 min

    Use fine tweezers to gently pry up the antenna coaxial connectors from the logic board.

  10. 10

    Remove Front Camera

    2 min

    Disconnect the front-facing camera flex connector and pull the camera module out from its housing.

  11. 11

    Eject SIM Tray

    1 min

    Insert a SIM eject pin into the tray hole at the top edge of the frame to remove the SIM tray.

  12. 12

    Unscrew Logic Board

    1 min

    Remove the single Phillips #00 screw anchoring the logic board to the internal aluminum frame.

  13. 13

    Remove Logic Board

    3 min

    Gently pry beneath the bottom edge of the logic board with a spudger and lift it out of the chassis.

After your Samsung Galaxy A54 logic board repair

Power the Galaxy A54 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 A54 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 A54 repair context in the encyclopedia, or open related DIY guides.

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