Phone · Apple · iPhone 16 Pro Max
Apple iPhone 16 Pro Max Logic Board Repair
Logic Board Repair guide for the Apple iPhone 16 Pro Max
Before you begin
Tools
- P2 Pentalobe screwdriver
- Y000 Tri-point screwdriver
- Standoff screwdriver bit
- Heat gun or hair dryer
- Suction cup tool
- Plastic opening picks
- Spudger tool
- Precision tweezers
Parts / materials
- Replacement iPhone 16 Pro Max logic board
- Replacement rear glass adhesive seal
Safety
- Wear safety glasses to protect against potential glass fragments.
- Always disconnect the battery before unseating or handling internal logic board components.
- Keep track of screw sizes and locations to avoid damaging the new logic board during reassembly.
Overview
Step-by-step
- 1
Power off device
1 minTurn off your iPhone 16 Pro Max completely before starting disassembly to prevent electrical shorts.
- 2
Remove pentalobe screws
2 minUnscrew the two P2 Pentalobe screws located on the bottom edge on either side of the USB-C port.
- 3
Heat the back glass perimeter
3 minApply heat to the rear glass edges for 2 minutes using a heat gun to soften the waterproof seal.
- 4
Attach suction cup tool
2 minPress the suction cup onto the lower portion of the rear glass and lift gently to create a small gap.
- 5
Insert opening pick
4 minInsert a plastic opening pick into the gap and slide it carefully along the bottom and side edges to sever adhesive.
- 6
Open rear glass enclosure
2 minCarefully swing the rear glass open to the right side like a book cover without straining attached flex cables.
- 7
Remove battery connector bracket
3 minUnscrew the Y000 tri-point screws securing the battery connector shield plate and lift it out.
- 8
Disconnect the battery flex
1 minUse a spudger to pry the battery flex cable directly straight up from its motherboard socket.
- 9
Remove logic board shield cover
4 minUnbolt the remaining tri-point screws holding the top metal EMI shield plate over the logic board and remove it.
- 10
Disconnect camera and display flexes
3 minPry up the rear camera, sensor, and display flex connectors from the logic board using the pointed end of a spudger.
- 11
Disconnect antenna coax cables
2 minUse precision tweezers to lift the small antenna coaxial press connectors off their board terminals.
- 12
Remove logic board standoff screws
4 minUnscrew the internal standoff screws securing the top and bottom sections of the logic board to the frame.
- 13
Extract the logic board
3 minGently maneuver the logic board out of the chassis, clearing any remaining cables or edges.
- 14
Install replacement logic board
3 minLower the new logic board into position inside the phone housing, ensuring correct alignment with screw posts.
- 15
Reattach logic board screws
4 minFasten all internal standoff screws snugly to anchor the logic board in place.
- 16
Reconnect logic board cables
4 minSnap the antenna coax, camera, display, and sensor flex cables securely onto their corresponding connectors.
- 17
Reinstall upper shield cover
3 minPosition the top metal shield plate back over the board and secure it with the tri-point screws.
- 18
Connect battery flex cable
1 minPress the battery connector down onto the logic board socket until it clicks.
- 19
Reinstall battery bracket
2 minPlace the battery cover bracket over the connector and tighten its tri-point screws.
- 20
Seal and close rear glass
5 minApply new perimeter adhesive, align the rear glass, press down firmly around the edges, and reinstall the two bottom pentalobe screws.
After your Apple iPhone 16 Pro Max logic board repair
Power the iPhone 16 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 16 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 16 Pro Max repair context in the encyclopedia, or open related DIY guides.

