Phone · Apple · iPhone 14 Pro Max
Apple iPhone 14 Pro Max Logic Board Repair
Logic Board Repair guide for the Apple iPhone 14 Pro Max
Before you begin
Tools
- P2 Pentalobe screwdriver
- Tri-point Y000 screwdriver
- Standoff screwdriver
- Plastic spudger
- Opening pick
- Suction handle
- Precision tweezers
- Heat gun or iOpener
Parts / materials
- Replacement display adhesive strip
- Isopropyl alcohol (99%)
- Lint-free wipe
- Microfiber cloth
Safety
- Wear an ESD grounding wrist strap to prevent electrostatic damage to logic board components.
- Disconnect the battery press connector immediately after opening the device to eliminate live voltage.
- Wear safety glasses while using heat source near the screen glass.
- Do not bend or puncture the lithium-ion battery during board removal.
Overview
Step-by-step
- 1
Remove Bottom Screws
2 minPower off the iPhone 14 Pro Max and remove the two 6.8 mm P2 Pentalobe screws located on either side of the charging port.
- 2
Heat Display Edge
3 minApply a heated iOpener or heat gun around the perimeter of the display for two minutes to soften the waterproof seal.
- 3
Slice Display Adhesive
4 minAttach a suction handle near the bottom edge, pull up firmly, and insert an opening pick under the glass seal to slice the adhesive around all sides.
- 4
Open Display Assembly
2 minGently swing the display open from the left side toward the right side like a book. Rest it flat against a supportive object.
- 5
Remove Lower Bracket Screws
3 minUnscrew the six Tri-point Y000 screws securing the lower logic board connector cover plate.
- 6
Remove Lower Connector Bracket
1 minUse precision tweezers to lift the metal shield off the logic board and set it aside.
- 7
Disconnect Battery Cable
1 minPry the battery connector straight up from its logic board socket using a plastic spudger to cut all power.
- 8
Disconnect Display Cables
2 minUse a spudger to disconnect the main display and touch flex cables from the logic board.
- 9
Disconnect Sensor Flex Cable
2 minUnplug the front sensor and earpiece flex cable press-connector located near the top edge of the board.
- 10
Remove Display Assembly
1 minLift the display assembly completely away from the phone body and place it face-down on a clean surface.
- 11
Remove Logic Board Shield Screws
3 minUnscrew the remaining Tri-point and Standoff screws holding the upper logic board protective covers.
- 12
Remove Upper Logic Board Shield
1 minCarefully lift and remove the upper metal shield covering the top section of the motherboard.
- 13
Disconnect Rear Camera Connectors
2 minDisconnect the rear camera module flex press-connectors from their sockets on the logic board.
- 14
Disconnect Interconnect Flex Cables
3 minUnplug all remaining press-connectors, including charging port, button, and antenna flex cables.
- 15
Remove Logic Board Standoff Screws
3 minUnscrew the remaining standoff fasteners securing the logic board assembly to the rear housing.
- 16
Lift Logic Board Out
2 minPry gently beneath the bottom edge of the logic board with a spudger and lift it free from the rear housing.
After your Apple iPhone 14 Pro Max logic board repair
Power the iPhone 14 Pro Max 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 14 Pro Max 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 14 Pro Max repair context in the encyclopedia, or open related DIY guides.
