Skip to main content

Phone · Apple · iPhone 15 Plus

Apple iPhone 15 Plus Logic Board Repair

Logic Board Repair guide for the Apple iPhone 15 Plus

Difficult
~60 min
18 steps

Before you begin

Tools

  • P2 Pentalobe Screwdriver
  • Tri-point Y000 Screwdriver
  • Phillips #00 Screwdriver
  • Heat Gun or iOpener
  • Suction Handle
  • Opening Picks
  • Plastic Spudger
  • ESD-safe Tweezers
  • Fine-tip Soldering Iron
  • Magnifying Lamp or Microscope

Parts / materials

  • High-purity Isopropyl Alcohol (99%)
  • Micro-soldering Flux
  • Desoldering Braid
  • Replacement Rear Glass Adhesive Pre-cut Gasket

Safety

  • Wear protective eyewear while heating the glass and soldering components.
  • Wear an anti-static wrist strap to avoid electrostatic discharge damage to fragile ICs.
  • Work in a well-ventilated space or use a fume extractor when soldering with flux.
  • Do not puncture or bend the battery when working near the logic board.

Overview

# Apple iPhone 15 Plus Logic Board Repair Repair Guide Action-specific logic board repair walkthrough for the Apple iPhone 15 Plus. About 60 minutes across 18 steps. This DIY guide walks through logic board repair on the Apple iPhone 15 Plus (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 15 Plus specifically—not a similar iPhone sibling. Most DIY techs finish this Apple iPhone 15 Plus logic board repair in about 60 minutes when parts and tools are ready. Difficulty is rated advanced for this model. Recommended tools for this Apple iPhone 15 Plus job: P2 Pentalobe Screwdriver, Tri-point Y000 Screwdriver, Phillips #00 Screwdriver, Heat Gun or iOpener, Suction Handle, Opening Picks, Plastic Spudger, ESD-safe Tweezers. Parts and supplies: High-purity Isopropyl Alcohol (99%), Micro-soldering Flux, Desoldering Braid, Replacement Rear Glass Adhesive Pre-cut Gasket. Power the iPhone 15 Plus 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 15 Plus, 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 side button and volume down button, then slide the screen toggle to completely turn off your iPhone 15 Plus.

  2. 2

    Remove Pentalobe Screws

    2 min

    Unscrew the two 6.8 mm P2 Pentalobe screws located on the bottom edge next to the USB-C port.

  3. 3

    Heat Back Glass Edge

    3 min

    Apply a heated iOpener or heat gun around the perimeter of the back glass for two minutes to soften the adhesive.

  4. 4

    Attach Suction Cup

    2 min

    Place a suction handle near the bottom edge of the back glass and pull up firmly to create a small gap.

  5. 5

    Insert Opening Pick

    1 min

    Insert an opening pick into the gap created at the bottom edge of the back glass.

  6. 6

    Slice Perimeter Adhesive

    4 min

    Slide the pick carefully along the sides and top edge to sever the rear glass adhesive seal.

  7. 7

    Open Back Glass Panel

    2 min

    Swing the back glass open toward the left edge like a book, taking care not to strain the internal ribbon cables.

  8. 8

    Unscrew Lower Bracket

    2 min

    Remove the Tri-Point Y000 screws securing the lower connector cover bracket to the frame.

  9. 9

    Disconnect Battery Press Connector

    1 min

    Use a plastic spudger to pry the battery connector straight up from its socket to cut power to the board.

  10. 10

    Disconnect Back Glass Cable

    2 min

    Pry up the rear glass assembly connector and set the entire back panel safely aside.

  11. 11

    Unscrew Upper Cable Cover Bracket

    2 min

    Remove the Tri-Point screws securing the upper metal bracket covering the logic board connectors.

  12. 12

    Disconnect Display and Sensor Flexes

    2 min

    Disconnect the display cable and ambient sensor connectors from the logic board using a spudger.

  13. 13

    Disconnect Rear Camera Array

    3 min

    Disconnect the rear camera flex cables and lift the camera module out of the housing.

  14. 14

    Remove SIM Tray Assembly

    1 min

    Insert a SIM eject tool into the tray hole on the side to pop out and remove the SIM card tray.

  15. 15

    Unscrew Logic Board Fasteners

    4 min

    Remove all standoff screws and Phillips screws anchoring the logic board to the chassis.

  16. 16

    Extract Logic Board

    3 min

    Gently lift the logic board up from the lower edge and pull it out from under the upper clips.

  17. 17

    Clean and Inspect Board

    10 min

    Inspect the logic board under magnification for corrosion or micro-cracks and clean affected areas with 99% isopropyl alcohol.

  18. 18

    Perform Board-Level Repair

    15 min

    Apply flux and use a fine-tip soldering iron to repair damaged SMD components or broken traces on the board.

After your Apple iPhone 15 Plus logic board repair

Power the iPhone 15 Plus 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 15 Plus 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 15 Plus repair context in the encyclopedia, or open related DIY guides.

logo_footer

Stay in the loop

Get new guides, reviews, and repair news.

© 2026 LML Repair. All rights reserved.