Phone · Apple · iPhone 11 Pro Max
Apple iPhone 11 Pro Max Logic Board Repair
Logic Board Repair guide for the Apple iPhone 11 Pro Max
Before you begin
Tools
- P2 Pentalobe Screwdriver
- Y000 Tri-point Screwdriver
- Phillips #000 Screwdriver
- Standoff Screwdriver for iPhone
- Suction Cup Tool
- Heat Gun
- Spudger Tool
- Plastic Opening Picks
- Precision Tweezers
- SIM Eject Tool
Parts / materials
- Isopropyl Alcohol (99%)
- Display Frame Waterproof Adhesive
- Thermal Interface Pad
Safety
- Discharge the iPhone battery below 25% before disassembly to minimize fire risk.
- Wear safety glasses to protect against potential glass splinters.
- Wear an anti-static wrist strap to prevent electrostatic discharge to micro-components.
- Work in a well-ventilated area when heating adhesive or using cleaning solvents.
Overview
Step-by-step
- 1
Power Down the iPhone
1 minPress and hold the side button and volume down button, then slide to power off the device completely.
- 2
Remove Bottom Pentalobe Screws
2 minUse a P2 pentalobe screwdriver to remove the two 6.7 mm screws located on either side of the Lightning port.
- 3
Heat Bottom Display Edge
2 minApply a heat gun set to low temperature along the lower edge of the phone for two minutes to soften the adhesive.
- 4
Attach Suction Cup
1 minPress a suction cup firmly onto the lower portion of the screen assembly just above the home indicator area.
- 5
Slice Display Adhesive
4 minPull up on the suction cup to create a small gap and insert an opening pick, then slide it around the perimeter to break the seal.
- 6
Open Display Assembly
2 minSwing the screen open to the right side like a book cover, leaning it against a stable object so the flex cables are not strained.
- 7
Remove Battery Connector Bracket
2 minUse a Y000 tri-point screwdriver to remove the two screws securing the battery cable bracket, then remove the bracket with tweezers.
- 8
Disconnect the Battery
1 minUse the edge of a plastic spudger to gently pry the battery connector straight up from its socket on the logic board.
- 9
Disconnect Display Flex Cables
3 minUnscrew the lower display bracket and use a spudger to disconnect the OLED screen, touch, and front sensor assembly press connectors.
- 10
Separate Display Assembly
1 minLift the entire screen assembly off the enclosure and set it aside in a safe, dust-free location.
- 11
Eject SIM Card Tray
1 minInsert a SIM eject tool into the hole on the right edge of the frame to push out and remove the SIM tray.
- 12
Remove Rear Camera Shield
2 minUnscrew the tri-point screws holding the rear camera bracket in place and remove the metal shield using tweezers.
- 13
Disconnect Rear Camera Cables
3 minPry the three rear camera press connectors off the logic board and carefully lift the camera module out of the phone.
- 14
Disconnect Upper Interconnect Cables
4 minDisconnect the Face ID sensor, upper antenna, power button, and volume flex connectors from the top section of the logic board.
- 15
Remove Logic Board Standoff Screws
3 minUse a dedicated standoff screwdriver to remove the threaded standoff screws anchoring the board to the rear housing.
- 16
Extract the Logic Board
3 minGently maneuver the logic board out from the phone chassis, ensuring no stray ribbon cables get snagged during removal.
After your Apple iPhone 11 Pro Max logic board repair
Power the iPhone 11 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 11 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 11 Pro Max repair context in the encyclopedia, or open related DIY guides.
