Phone · Apple · iPhone 7 Plus
Apple iPhone 7 Plus Logic Board Repair
Logic Board Repair guide for the Apple iPhone 7 Plus
Before you begin
Tools
- P2 Pentalobe screwdriver
- Tri-point Y000 screwdriver
- Phillips #000 screwdriver
- Spudger tool
- Plastic prying tools
- Suction cup tool
- Heat gun or hair dryer
- Tweezers
- SIM eject tool
Parts / materials
- iPhone 7 Plus display perimeter adhesive seal
- Isopropyl alcohol (99%)
- Lint-free microfiber cloth
Safety
- Always disconnect the battery connector before unplugging other components to prevent short circuits.
- Wear protective safety glasses when working around cracked glass display panels.
- Do not puncture, bend, or force the lithium-ion battery while working inside the device.
Overview
Step-by-step
- 1
Power Off the iPhone
1 minPress and hold the side button until the power slider appears, then slide to turn off the device completely.
- 2
Remove the Pentalobe Screws
2 minUnscrew the two 3.4 mm Pentalobe screws located on the bottom edge of the iPhone next to the Lightning connector.
- 3
Heat the Lower Edge
2 minApply mild heat from a heat gun along the bottom edge for two minutes to soften the display adhesive.
- 4
Attach the Suction Cup
1 minPress the suction cup firmly onto the lower portion of the screen, just above the home button.
- 5
Separate the Display Assembly
4 minPull up on the suction cup to create a small gap, then insert a plastic prying tool to slice through the adhesive along the edges.
- 6
Open the Display like a Book
2 minSwing the display open from the left side to the right side. Rest the screen vertically against a stable object so it does not strain the cables.
- 7
Remove the Lower Cable Bracket Screws
3 minUnscrew the four Tri-point Y000 screws securing the lower display cable bracket to the logic board.
- 8
Disconnect the Battery Cable
1 minUse the edge of a spudger to gently pry the battery connector straight up off its socket on the logic board.
- 9
Disconnect the Display and Touch Flex Cables
2 minUse the spudger to pry up the display cable connector and the touch digitizer cable connector from the board.
- 10
Remove the Upper Sensor Assembly Bracket
2 minUnscrew the three Tri-point Y000 screws holding the top connector bracket and lift the metal bracket out with tweezers.
- 11
Disconnect the Upper Front Sensor Cable
2 minPry the front camera and sensor assembly cable connector straight up from its logic board socket to free the display.
- 12
Eject the SIM Card Tray
1 minInsert a SIM eject tool or straightened paperclip into the SIM tray hole and push firmly to pop the tray out.
- 13
Remove the Rear Camera Bracket
2 minRemove the two Phillips #000 screws holding the rear camera bracket in place and lift the bracket out.
- 14
Disconnect the Dual Rear Camera Cables
2 minUse a spudger to disconnect both camera flex cables from the upper portion of the logic board.
- 15
Unthread the Logic Board Screws
5 minRemove the standoff screws and Phillips screws securing the top antenna component and the logic board body to the rear case.
- 16
Lift Out the Logic Board
3 minGently tilt the logic board up from the bottom edge and maneuver it out of the enclosure, ensuring no flex cables catch on the board.
After your Apple iPhone 7 Plus logic board repair
Power the iPhone 7 Plus 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 7 Plus 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 7 Plus repair context in the encyclopedia, or open related DIY guides.
