Phone · Apple · iPhone 12 Mini
Apple iPhone 12 Mini Water Damage Repair
Water Damage Repair guide for the Apple iPhone 12 Mini
Before you begin
Tools
- Pentalobe P2 screwdriver
- Tri-point Y000 screwdriver
- Plastic opening picks
- Suction cup tool
- Spudger tool
- Tweezers
- Soft brush
- Heat gun or hair dryer
Parts / materials
- 99% Isopropyl alcohol
- Microfiber cloth
- Display adhesive kit
Safety
- Disconnect the battery immediately upon opening to prevent further electrical damage.
- Work in a well-ventilated area when using 99% isopropyl alcohol.
- Wear protective eyewear to guard against fluid splatters during cleaning.
Overview
Step-by-step
- 1
Power Off the iPhone
1 minTurn off the device immediately to prevent further electrical short circuits. If the screen is unresponsive, press and quickly release Volume Up, then Volume Down, and hold the Side button until it shuts off.
- 2
Remove Pentalobe Screws
2 minUnscrew the two 6.8 mm P2 Pentalobe screws located on either side of the Lightning charging port.
- 3
Heat Bottom Edge
2 minUse a heat gun or hair dryer on low setting to warm the bottom edge of the iPhone for two minutes to soften the waterproof adhesive.
- 4
Attach Suction Cup
1 minPlace a suction cup onto the lower half of the front display glass, just above the home indicator area.
- 5
Lift Display Panel
2 minPull up firmly on the suction cup to create a slight gap between the screen assembly and the outer frame.
- 6
Slice Perimeter Adhesive
3 minInsert a plastic opening pick into the gap and carefully slide it around the bottom and sides to slice through the adhesive seal.
- 7
Open Display
1 minSwing the screen open from the left edge like the cover of a book. Rest it against a stable object so you do not strain the screen flex cables.
- 8
Unscrew Battery Connector Cover
2 minUse a Tri-point Y000 screwdriver to remove the two screws securing the lower metal bracket over the battery connector.
- 9
Disconnect Battery
1 minPry the battery press connector straight up from its motherboard socket using the pointed end of a spudger.
- 10
Disconnect Display Cables
3 minUnscrew the upper bracket and use a spudger to pop off the OLED screen and digitizer press connectors.
- 11
Remove Logic Board Screws
3 minRemove the standoff and Y000 screws holding the main logic board to the rear aluminum frame.
- 12
Lift Out Logic Board
2 minGently lift the logic board out of the housing using precision tweezers, taking care not to snag attached flex cables.
- 13
Scrub Corrosion with Alcohol
5 minDip a soft-bristled brush into 99% isopropyl alcohol and lightly scrub away all white and green liquid corrosion deposits on both sides of the board.
- 14
Dry the Board
10 minUse compressed air to blow away remaining alcohol and liquid residue, then allow the board to air-dry completely for 30 minutes.
- 15
Clean Rear Housing
3 minWipe down the interior of the phone case and connector contact points with a microfiber cloth dipped in isopropyl alcohol.
- 16
Reassemble and Test
5 minReinstall the logic board, apply new pre-cut perimeter adhesive, reconnect display and battery cables, and close the screen assembly.
After your Apple iPhone 12 Mini water damage repair
Power the iPhone 12 Mini 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 Mini 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 Mini repair context in the encyclopedia, or open related DIY guides.

