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Apple iPhone 5S Logic Board Repair

Logic Board Repair guide for the Apple iPhone 5S

Expert
~36 min
16 steps

Before you begin

Tools

  • P2 Pentalobe screwdriver
  • Phillips #000 screwdriver
  • Standoff screwdriver for iPhone
  • Suction cup tool
  • Plastic spudger
  • Tweezers
  • SIM eject tool

Parts / materials

  • Replacement iPhone 5S logic board
  • Isopropyl alcohol (90%+)
  • Microfiber cleaning cloth

Safety

  • Wear an anti-static wrist strap to avoid damaging delicate electronic components.
  • Power off the iPhone completely before starting disassembly.
  • Do not puncture or bend the internal lithium-ion battery.

Overview

# Apple iPhone 5S Logic Board Repair Repair Guide Action-specific logic board repair walkthrough for the Apple iPhone 5S. About 36 minutes across 16 steps. This DIY guide walks through logic board repair on the Apple iPhone 5S (iPhone series phone). Before you open the device, confirm the exact model number on the Apple settings screen or rear housing so your replacement part matches the iPhone 5S specifically—not a similar iPhone sibling. Most DIY techs finish this Apple iPhone 5S logic board repair in about 36 minutes when parts and tools are ready. Difficulty is rated expert for this model. Recommended tools for this Apple iPhone 5S job: P2 Pentalobe screwdriver, Phillips #000 screwdriver, Standoff screwdriver for iPhone, Suction cup tool, Plastic spudger, Tweezers, SIM eject tool. Parts and supplies: Replacement iPhone 5S logic board, Isopropyl alcohol (90%+), Microfiber cleaning cloth. Power the iPhone 5S 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 Apple iPhone 5S, 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

    Power Off Device

    1 min

    Press and hold the Power button until the slider appears, then slide to turn off the iPhone 5S.

  2. 2

    Remove Pentalobe Screws

    2 min

    Use a P2 Pentalobe screwdriver to remove the two 3.9 mm screws on either side of the Lightning connector.

  3. 3

    Apply Suction Cup

    2 min

    Press a suction cup firmly onto the screen just above the Home button assembly.

  4. 4

    Unhook Touch ID Flex Bracket

    3 min

    Gently pull up on the suction cup to open a small gap, then use tweezers to pop off the metal bracket covering the Touch ID cable connector.

  5. 5

    Disconnect Touch ID Cable

    2 min

    Use the pointed end of a spudger to pry the Touch ID cable connector straight up from its socket.

  6. 6

    Remove Display Cable Shield Screws

    3 min

    Remove the four Phillips #000 screws securing the front panel assembly cable bracket to the logic board.

  7. 7

    Disconnect Display Assembly Cables

    3 min

    Use the flat end of a spudger to disconnect the front-facing camera, digitizer, and LCD cables.

  8. 8

    Remove Battery Connector Bracket

    2 min

    Unscrew the two Phillips #000 screws securing the metal battery connector bracket and lift it off.

  9. 9

    Disconnect Battery Connector

    1 min

    Pry the battery connector straight up from the logic board using a plastic spudger.

  10. 10

    Eject SIM Card Tray

    1 min

    Insert a SIM eject tool or paperclip into the hole on the right side of the phone to eject the SIM tray.

  11. 11

    Disconnect Lightning Connector Cable

    2 min

    Pry the Lightning connector assembly flex cable straight up off its socket on the logic board.

  12. 12

    Unplug Antenna Cable

    2 min

    Carefully pry the coaxial antenna cable off the bottom right corner of the logic board.

  13. 13

    Disconnect Power and Volume Flex Cable

    2 min

    Disconnect the upper ribbon cable connector for the volume, mute, and power buttons located near the top of the board.

  14. 14

    Remove Rear Camera Bracket and Camera

    3 min

    Remove two Phillips screws securing the camera bracket, lift the bracket out, and disconnect the rear camera.

  15. 15

    Remove Logic Board Screws

    4 min

    Remove the upper and lower standoff screws and remaining Phillips screws attaching the logic board to the rear case.

  16. 16

    Lift Logic Board Out of Enclosure

    3 min

    Carefully maneuver the logic board up and out of the rear case, ensuring no cables catch on components.

After your Apple iPhone 5S logic board repair

Power the iPhone 5S 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 Apple iPhone 5S job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.

Keep learning

Explore more Apple iPhone 5S repair context in the encyclopedia, or open related DIY guides.

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