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Apple iPhone 11 Logic Board Repair

Logic Board Repair guide for the Apple iPhone 11

Expert
~60 min
28 steps

Before you begin

Tools

  • P2 Pentalobe screwdriver
  • Tri-point Y000 screwdriver
  • Phillips #000 screwdriver
  • Standoff screwdriver
  • Spudger tool
  • Suction cup tool
  • Heat gun or hair dryer
  • Plastic prying tools
  • Tweezers
  • SIM eject tool

Parts / materials

  • Replacement iPhone 11 logic board
  • Display waterproofing adhesive seal frame

Safety

  • Power off the device completely before beginning disassembly.
  • Always disconnect the battery before removing or attaching any internal flex cables.
  • Wear an anti-static wrist strap to prevent electrostatic discharge damage to components.
  • Use extreme caution around the lithium-ion battery to avoid punctures or tears.

Overview

# Apple iPhone 11 Logic Board Repair Repair Guide Action-specific logic board repair walkthrough for the Apple iPhone 11. About 60 minutes across 28 steps. This DIY guide walks through logic board repair on the Apple iPhone 11 (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 11 specifically—not a similar iPhone sibling. Most DIY techs finish this Apple iPhone 11 logic board repair in about 60 minutes when parts and tools are ready. Difficulty is rated expert for this model. Recommended tools for this Apple iPhone 11 job: P2 Pentalobe screwdriver, Tri-point Y000 screwdriver, Phillips #000 screwdriver, Standoff screwdriver, Spudger tool, Suction cup tool, Heat gun or hair dryer, Plastic prying tools. Parts and supplies: Replacement iPhone 11 logic board, Display waterproofing adhesive seal frame. Power the iPhone 11 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 11, 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 Down the iPhone 11

    1 min

    Press and hold the side button and volume down button simultaneously until the slider appears. Slide to power off the device completely.

  2. 2

    Remove Bottom Pentalobe Screws

    2 min

    Use a P2 Pentalobe screwdriver to remove the two 6.7 mm screws located on either side of the Lightning charging port.

  3. 3

    Heat Bottom Screen Edge

    2 min

    Apply a heat gun or hair dryer on low setting to the lower edge of the phone for about 90 seconds to soften the display adhesive.

  4. 4

    Attach Suction Cup

    1 min

    Place a suction cup tool on the lower half of the front display glass, just above the home button area.

  5. 5

    Create Screen Gap

    2 min

    Pull up firmly on the suction cup to create a small gap between the front glass panel and the outer frame.

  6. 6

    Slice Lower Adhesive

    2 min

    Insert a thin plastic prying tool into the seam gap and slide it along the bottom edge to slice the adhesive seal.

  7. 7

    Separate Side Adhesive

    3 min

    Continue sliding the plastic opening pick up the left edge and right edge of the screen to release the perimeter adhesive.

  8. 8

    Open Display Assembly

    1 min

    Gently swing the display open from the left side like a book cover. Do not try to separate it fully yet as ribbon cables remain connected.

  9. 9

    Unscrew Lower Connector Shield

    2 min

    Use a Tri-point Y000 screwdriver to remove the screws securing the metal lower battery connector cover bracket.

  10. 10

    Remove Lower Shield

    1 min

    Use tweezers to lift and remove the lower metal shield from the logic board area.

  11. 11

    Disconnect Battery Press Connector

    1 min

    Insert the flat edge of a spudger under the battery connector and pry it straight up to disconnect battery power.

  12. 12

    Unscrew Logic Board Display Shield

    2 min

    Use a Tri-point Y000 screwdriver to remove the screws securing the upper display connector bracket.

  13. 13

    Disconnect Display Connectors

    2 min

    Use a spudger to pry up the display cable connector and digitizer cable connector straight off the logic board.

  14. 14

    Separate Screen Completely

    1 min

    Lift the display assembly away from the rear enclosure and set it aside in a safe location.

  15. 15

    Eject SIM Card Tray

    1 min

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

  16. 16

    Unscrew Upper Bracket Screws

    3 min

    Remove the Phillips and Tri-point screws securing the upper antenna and grounding brackets over the top section of the logic board.

  17. 17

    Remove Upper Grounding Brackets

    1 min

    Carefully lift off the metal grounding brackets near the top edge using tweezers.

  18. 18

    Disconnect Front Camera Assembly

    2 min

    Use a spudger to disconnect the TrueDepth sensor and front camera ribbon cables from the upper portion of the board.

  19. 19

    Disconnect Rear Camera Connectors

    2 min

    Pry up the press connectors for the rear cameras and remove the small metal camera retention bracket using tweezers.

  20. 20

    Disconnect Lower Component Flex Cables

    3 min

    Disconnect the Lightning connector flex cable, wireless charging coil, and button assembly cables from the board using a spudger.

  21. 21

    Remove Logic Board Standoff Screws

    3 min

    Use a specialized standoff screwdriver to remove the standoff screws holding the logic board to the internal chassis.

  22. 22

    Extract Logic Board

    2 min

    Carefully lift the board from the bottom edge and pull it out of the rear case, making sure no flex cables get snagged.

  23. 23

    Position Replacement Board

    3 min

    Lower the replacement logic board into the chassis frame, aligning it carefully with the alignment posts.

  24. 24

    Secure Logic Board Screws

    3 min

    Reinstall and tighten the standoff screws and Phillips screws to lock the logic board into position.

  25. 25

    Reconnect All Board Flex Cables

    4 min

    Press down firmly on all camera, charging port, and sensor flex cables to snap them onto the board connectors.

  26. 26

    Reconnect Display and Battery

    2 min

    Connect the display flex cables first, then snap the main battery connector onto its socket.

  27. 27

    Test Device Functionality

    3 min

    Briefly press the power button to verify the screen lights up and the board boots before applying fresh adhesive.

  28. 28

    Reinstall Shields and Close Case

    5 min

    Reinstall all metal connector brackets, place new perimeter adhesive, and press the display firmly into the frame before securing the bottom Pentalobe screws.

After your Apple iPhone 11 logic board repair

Power the iPhone 11 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 11 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 11 repair context in the encyclopedia, or open related DIY guides.

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