Phone · Apple · iPhone 14
Apple iPhone 14 Logic Board Repair
Logic Board Repair guide for the Apple iPhone 14
Before you begin
Tools
- P2 Pentalobe Screwdriver
- Y000 Tri-point Screwdriver
- Standoff Screwdriver Bit
- Plastic Opening Picks
- Suction Cup Tool
- Spudger Tool
- Heat Gun or Hair Dryer
Parts / materials
- Pre-cut Back Glass Replacement Adhesive
- 99% Isopropyl Alcohol
Safety
- Discharge the battery below 25% before beginning repair to prevent thermal runaway if damaged.
- Wear safety glasses to protect eyes from potential glass splinters.
- Do not puncture or bend the lithium-ion battery during disassembly.
Overview
Step-by-step
- 1
Power Off iPhone
1 minPress and hold the side button and volume down button, then slide to power off the device completely.
- 2
Remove Pentalobe Screws
2 minUse a P2 Pentalobe driver to remove the two 6.8 mm screws located at the bottom edge of the phone.
- 3
Heat Bottom Edge
2 minApply a heat gun or hair dryer to the bottom edge of the back glass for two minutes to soften the adhesive.
- 4
Attach Suction Handle
2 minPlace a suction cup near the bottom edge of the back glass and pull up gently to create a slight gap.
- 5
Slice Back Glass Adhesive
5 minInsert an opening pick into the gap and slowly slide along the perimeter to slice through the weather seal adhesive.
- 6
Open Back Panel
2 minSwing the back glass open toward the right side like a book cover, taking care not to strain the ribbon cables.
- 7
Unscrew Battery Bracket
3 minUse a Y000 tri-point driver to remove the screws securing the battery connector bracket.
- 8
Disconnect Battery Connector
2 minUse the pointed end of a spudger to gently pry the battery press connector straight up from its socket.
- 9
Eject SIM Card Tray
1 minInsert a SIM eject tool or paperclip into the SIM tray hole and push firmly to eject the tray.
- 10
Unscrew Upper Logic Board Shield
4 minRemove the Y000 and Phillips screws holding the upper metal shield over the camera and logic board connectors.
- 11
Disconnect Camera Flex Cables
3 minUse a spudger to carefully unplug the rear camera and front sensor array connectors from the motherboard.
- 12
Disconnect Lower Interconnect Cables
4 minDetach the lightning port connector, speaker flex, and wireless charging antenna cables from the logic board.
- 13
Remove Board Standoff Screws
3 minUse a standoff screwdriver bit to remove the retaining standoff screws anchoring the logic board to the frame.
- 14
Pry Up Logic Board
2 minGently insert a spudger under the bottom edge of the logic board and lift it up out of the rear case.
After your Apple iPhone 14 logic board repair
Power the iPhone 14 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 14 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 14 repair context in the encyclopedia, or open related DIY guides.
