Phone · Apple · iPhone 4
Apple iPhone 4 Taptic Engine Repair
Taptic Engine Repair guide for the Apple iPhone 4
Before you begin
Tools
- Phillips #000 screwdriver
- P2 Pentalobe screwdriver
- Plastic opening tool
- Precision tweezers
- Spudger
Parts / materials
- Replacement iPhone 4 vibrator motor assembly
Safety
- Power off the device completely before performing any internal disassembly.
- Disconnect the battery promptly after opening the case to avoid electrical short circuits.
- Wear safety glasses to protect against small loose screws or glass particles.
Overview
Step-by-step
- 1
Turn off the iPhone
1 minPress and hold the top power button until the 'slide to power off' slider appears. Slide to completely shut down the device.
- 2
Remove dock connector screws
2 minUse a Phillips #000 or P2 Pentalobe screwdriver to remove the two 3.6 mm screws located on either side of the dock connector port.
- 3
Push up rear panel
1 minGently push the rear glass panel upward toward the top edge of the phone until it slides open about 2 mm.
- 4
Lift off rear panel
1 minPry the rear glass panel away from the inner frame and set it aside in a safe location.
- 5
Remove battery clip screw
2 minUnscrew the single 2.5 mm Phillips screw securing the battery connector clip to the logic board.
- 6
Detach battery connector
2 minUse a plastic opening tool to gently pry the battery connector straight up off the motherboard socket.
- 7
Remove upper vibrator motor screw
2 minLocate the vibrator motor assembly in the top right corner and remove the upper 2.3 mm Phillips screw.
- 8
Remove lower vibrator motor screw
2 minRemove the second 1.7 mm Phillips screw holding the bottom tab of the vibrator assembly to the internal frame.
- 9
Lift out old vibrator motor
1 minUse tweezers to carefully lift the vibrator motor assembly out of the upper corner of the rear case.
- 10
Place new vibrator motor
2 minAlign the replacement vibrator motor into the top right housing, ensuring the contact pads face down toward the motherboard.
- 11
Fasten vibrator motor screws
2 minThread and tighten the two Phillips screws to secure the new vibrator motor firmly against the frame.
- 12
Reattach battery connector
2 minAlign the battery connector over its socket on the logic board and press down gently until it snaps into place.
- 13
Secure battery connector clip
2 minReinstall the 2.5 mm Phillips screw through the metal battery contact clip onto the logic board.
- 14
Slide rear panel into place
2 minPlace the rear glass panel back onto the frame with a 2 mm gap at the top, then slide it down until it sits flush.
- 15
Tighten dock connector screws
2 minReinstall the two screws on the bottom edge of the phone next to the charging port.
- 16
Test vibration function
1 minPower on the iPhone and toggle the Ring/Silent switch on the side to verify vibration feedback works properly.
After your Apple iPhone 4 taptic engine repair
Power the iPhone 4 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 4 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 4 repair context in the encyclopedia, or open related DIY guides.
