Phone · Apple · iPhone 12 Pro Max
Apple iPhone 12 Pro Max Water Damage Repair
Water Damage Repair guide for the Apple iPhone 12 Pro Max
Before you begin
Tools
- P2 Pentalobe screwdriver
- Y000 Tri-point screwdriver
- Phillips #000 screwdriver
- Suction handle
- Opening picks
- Spudger
- Precision tweezers
- Soft ESD brush
Parts / materials
- 99% Isopropyl alcohol
- iPhone 12 Pro Max display adhesive gasket
- Microfiber cloth
Safety
- Power off the iPhone immediately and do not plug in a charging cable to prevent short circuits.
- Wear safety glasses and work in a well-ventilated space when handling high-concentration isopropyl alcohol.
- Disconnect the battery before touching or cleaning any internal circuitry.
Overview
Step-by-step
- 1
Power off the iPhone
1 minPress and hold the side button and either volume button, then slide to power off. Do not connect a charger to prevent shorting board components.
- 2
Remove the pentalobe screws
2 minUse a P2 pentalobe screwdriver to remove the two 6.7 mm screws located on the bottom edge of the device.
- 3
Heat the lower display edge
3 minApply a heated iOpener or heat gun to the bottom edge of the phone for two minutes to soften the waterproof adhesive.
- 4
Attach the suction handle
2 minPlace a suction handle near the bottom edge of the front display, just above the Lightning port.
- 5
Slice the perimeter adhesive
5 minPull up on the suction handle to create a tiny gap, then insert an opening pick and slide it around the perimeter to slice the adhesive.
- 6
Open the display like a book
2 minSwing the display open from the right edge, resting it against a sturdy object to avoid straining the display cables.
- 7
Unscrew the battery cover
3 minUse a Y000 tri-point screwdriver to remove the four Y000 screws securing the main board bracket cover.
- 8
Disconnect the battery cable
2 minUse the pointed end of a spudger to gently pry the battery connector straight up out of its socket.
- 9
Disconnect the display cables
3 minUse a spudger to disconnect the OLED panel cable, digitizer cable, and ambient light sensor assembly cable.
- 10
Separate the display assembly
1 minLift the display assembly away from the rear enclosure and set it aside on a clean work surface.
- 11
Unscrew the logic board brackets
5 minRemove all Y000 and Phillips #000 screws holding down the lower logic board and camera grounding brackets.
- 12
Disconnect remaining board connectors
4 minPry up all remaining camera, charging port, and antenna flex cable connectors attached to the logic board using a spudger.
- 13
Remove the logic board
3 minGently lift the double-stacked logic board out of the chassis, taking care not to snag any flex cables.
- 14
Scrub corrosion with isopropyl alcohol
10 minSubmerge the logic board in 99% isopropyl alcohol and gently scrub all corroded areas using a soft ESD brush.
- 15
Dry components thoroughly
15 minAllow the logic board and housing components to air dry completely in a warm, dry area for at least two hours.
- 16
Reinstall the logic board
5 minSet the dried logic board back into the rear case and securely snap all flex cable connectors into place.
- 17
Apply new display adhesive
5 minClean remaining adhesive from the housing rim with isopropyl alcohol, then align and adhere a new water-seal adhesive gasket.
- 18
Reconnect and seal the display
5 minReconnect the display cables and battery last, replace the metal brackets, and firmly press the screen flush into the frame.
After your Apple iPhone 12 Pro Max water damage repair
Power the iPhone 12 Pro Max back on and test the water damage 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 12 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 12 Pro Max repair context in the encyclopedia, or open related DIY guides.

