Phone · Apple · iPhone 12 Pro Max
Apple iPhone 12 Pro Max Taptic Engine Repair
Taptic Engine Repair guide for the Apple iPhone 12 Pro Max
Before you begin
Tools
- Precision screwdriver set (P2, Y000, Phillips)
- Suction cup handle
- Plastic opening picks
- Spudger
- Tweezers
- Heat gun or iOpener
Parts / materials
- Replacement iPhone 12 Pro Max Taptic Engine
- Display edge re-sealing adhesive strip
- Isopropyl alcohol (99%)
Safety
- Discharge the battery below 25% before starting repair to minimize fire risks.
- Wear safety glasses to protect your eyes from fine glass splinters if the display is cracked.
- Wear an anti-static wrist strap to avoid electrostatic discharge damaging internal chips.
Overview
Step-by-step
- 1
Power Off iPhone
1 minPress and hold the side button along with either volume button, then slide to power off the device completely.
- 2
Remove Pentalobe Screws
2 minUnscrew the two 6.7 mm P2 Pentalobe screws located on either side of the Lightning charging port.
- 3
Warm Display Edge
2 minApply a heated iOpener or heat gun to the lower edge of the screen for two minutes to soften the display adhesive.
- 4
Attach Suction Cup
1 minPlace a suction handle on the lower half of the display assembly, just above the bottom edge.
- 5
Slice Lower Adhesive
2 minPull up firmly on the suction cup to create a small gap, then insert an opening pick into the seam.
- 6
Slice Side Adhesives
3 minSlide the opening pick around the bottom corners and up the sides to cut through the display adhesive.
- 7
Open Display Assembly
2 minSwing the display open from the right side like a book cover. Prop it up securely against a box or wall to prevent straining the cables.
- 8
Unscrew Battery Shield
2 minUse a Y000 driver to remove the four Y000 screws securing the lower metal connector bracket.
- 9
Disconnect Battery Cable
1 minUse the flat end of a plastic spudger to pry the battery press connector straight up from its logic board socket.
- 10
Disconnect Display Cables
2 minUse the spudger to disconnect the OLED screen and digitizer flex cables from the logic board.
- 11
Detach Display Assembly
1 minLift the display assembly off the rear enclosure and place it on a clean, scratch-free surface.
- 12
Unscrew Loudspeaker
3 minRemove the four Phillips and Tri-Point screws securing the lower loudspeaker assembly to the frame.
- 13
Remove Loudspeaker
2 minGently lift the loudspeaker out of the bottom chassis using tweezers and set it aside.
- 14
Unscrew Taptic Engine
2 minRemove the three screws holding the Taptic Engine module to the bottom edge of the frame.
- 15
Disconnect Taptic Engine
1 minUse a spudger to pry the Taptic Engine flex cable connector directly up from its socket.
- 16
Remove Taptic Engine
1 minLift the Taptic Engine out of the chassis using plastic tweezers.
After your Apple iPhone 12 Pro Max taptic engine repair
Power the iPhone 12 Pro Max back on and test the taptic engine 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.
