Phone · Apple · iPhone 8
Apple iPhone 8 Battery Replacement
Battery Replacement guide for the Apple iPhone 8
Before you begin
Tools
- P2 Pentalobe screwdriver
- Tri-point Y000 screwdriver
- Suction cup
- Plastic opening picks
- Spudger
- Tweezers
Parts / materials
- Replacement iPhone 8 battery
- Battery adhesive strips
- Display frame adhesive seal
- Isopropyl alcohol (90%+)
Safety
- Discharge the battery below 25% before starting to minimize risk of thermal runaway.
- Wear eye protection to guard against glass splinters or chemical exposure.
- Do not bend or puncture the lithium-ion battery during removal.
Overview
Step-by-step
- 1
Power off device
1 minPress and hold the side button, then slide the slider to turn off your iPhone completely.
- 2
Remove Pentalobe screws
2 minUnscrew the two 3.5 mm Pentalobe screws located at the bottom edge near the Lightning port.
- 3
Attach suction cup
1 minApply a suction cup to the lower half of the front panel, placing it just above the Home button.
- 4
Pry lower display edge
3 minPull up on the suction cup while inserting an opening pick into the gap between the display and frame.
- 5
Slice left edge adhesive
3 minSlide the opening pick along the bottom-left corner and up the left edge to cut the water resistance seal.
- 6
Slice right edge adhesive
3 minInsert the pick on the right side and slide it up toward the top to release the remaining adhesive.
- 7
Open display assembly
1 minSwing the display open from the left edge like a book, taking care not to strain the upper ribbon cables.
- 8
Unscrew lower display bracket
2 minRemove the four Tri-point Y000 screws holding the lower display bracket to the logic board.
- 9
Remove lower display bracket
1 minUse tweezers to lift the metal lower display cable bracket out of the chassis.
- 10
Disconnect battery cable
1 minUse a spudger to gently pry the battery connector straight up from its socket on the logic board.
- 11
Disconnect lower display cables
2 minPry the two lower display cables straight up from their motherboard sockets using a plastic spudger.
- 12
Unscrew upper display bracket
2 minRemove the three Tri-point Y000 screws securing the upper bracket over the sensor connector.
- 13
Remove upper display bracket
1 minLift the metal bracket away from the upper logic board using tweezers.
- 14
Disconnect front sensor assembly
2 minDisconnect the front panel sensor assembly connector from its socket on the logic board.
- 15
Separate display assembly
1 minRemove the front display assembly completely from the rear housing and set it aside.
- 16
Unpeel battery adhesive tabs
2 minPeel back the black adhesive pull-tabs located at the bottom edge of the battery using tweezers.
- 17
Pull first adhesive strip
4 minSlowly pull the first adhesive tab toward the bottom of the phone at a flat, low angle until it releases.
- 18
Pull second adhesive strip
4 minPull the remaining adhesive strip outward with steady tension until it slides out from under the battery.
- 19
Remove old battery
2 minLift the battery out of the rear case using a plastic spudger if any slight residue remains.
After your Apple iPhone 8 battery replacement
Power the iPhone 8 back on and test the battery replacement 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 8 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 8 repair context in the encyclopedia, or open related DIY guides.
