Phone · Apple · iPhone 4S
Power Button Repair Guide for iPhone 4S
Power Button Repair guide for the Apple iPhone 4S
Before you begin
Tools
- Pentalobe P2 screwdriver
- Phillips #000 screwdriver
- Spudger tool
- Tweezers
- SIM eject tool
- Plastic prying tools
Parts / materials
- Replacement iPhone 4S power button flex cable
- Pre-cut adhesive strips
Safety
- Power down the iPhone completely before beginning disassembly.
- Wear an anti-static wrist strap to prevent electrostatic discharge damage to internal components.
- Do not puncture or bend the Li-ion battery during removal.
Overview
Step-by-step
- 1
Remove the bottom dock screws
2 minUnscrew the two 3.6 mm Pentalobe screws located on either side of the 30-pin dock connector at the bottom of the phone.
- 2
Slide off the rear panel
1 minPush the rear glass panel upward about 2 mm to release its clips, then lift it away from the chassis.
- 3
Disconnect the battery bracket
2 minRemove the single 1.7 mm Phillips screw securing the battery connector bracket, then lift the metal grounding clip out with tweezers.
- 4
Pry up the battery connector
1 minUse a plastic spudger to gently pry the battery connector straight up off the logic board.
- 5
Remove the battery
3 minPull the clear plastic pull tab upward to break the adhesive beneath the battery and remove it from the phone.
- 6
Eject the SIM card tray
1 minInsert a SIM eject tool or straightened paperclip into the SIM tray hole and push firmly to eject the tray.
- 7
Remove the top EMI shield
3 minUnscrew the five Phillips screws holding the top logic board EMI shield in place and lift the shield off the board.
- 8
Disconnect the rear camera
2 minPry the rear camera cable connector up from its socket on the logic board and lift the camera module out.
- 9
Disconnect the upper logic board cables
3 minUse the flat end of a spudger to disconnect the audio jack, digitizer, display LCD, and power switch flex cables from the logic board.
- 10
Unscrew the logic board fasteners
4 minRemove the remaining logic board screws, including the standoff screw located near the top center of the chassis.
- 11
Remove the logic board
3 minCarefully pivot the logic board out from the bottom edge and lift it completely out of the frame.
- 12
Unscrew the power button bracket
2 minRemove the two Phillips screws securing the top power button metal bracket to the internal frame.
- 13
Remove the faulty power button cable
3 minUse tweezers to peel the power/volume flex cable away from the inner wall of the chassis and lift out the power button switch.
- 14
Install the new power button flex cable
4 minAlign the replacement power button switch in the top housing, adhere the flex cable to the chassis, and tighten the metal bracket screws.
After your Apple iPhone 4S power button repair
Power the iPhone 4S back on and test the power button 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 4S 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 4S repair context in the encyclopedia, or open related DIY guides.
