Phone · Apple · iPhone 8 Plus
Apple iPhone 8 Plus Battery Replacement
Battery Replacement guide for the Apple iPhone 8 Plus
Before you begin
Tools
- P2 Pentalobe screwdriver
- Tri-point Y000 screwdriver
- Plastic spudger
- Suction cup
- Plastic opening picks
- Precision tweezers
- Heat gun or hairdryer
Parts / materials
- Replacement iPhone 8 Plus battery
- Battery adhesive strips
- Display perimeter adhesive gasket
- Isopropyl alcohol (90%+ purity)
Safety
- Discharge the battery below 25% before starting the repair to minimize fire hazard.
- Do not pry against or puncture the lithium-ion battery with metal tools.
- Wear eye protection to protect against glass fragments if the screen is cracked.
Overview
Step-by-step
- 1
Power off the device
1 minPress and hold the Side button and either volume button until the slider appears. Slide to turn off your iPhone 8 Plus completely.
- 2
Remove Pentalobe screws
2 minUnscrew the two 3.5 mm P2 Pentalobe screws located on either side of the Lightning charging port.
- 3
Heat the lower edge
2 minUse a hair dryer or heat gun to gently warm the bottom edge of the display for about 90 seconds to soften the adhesive.
- 4
Attach suction cup
1 minPlace a suction cup on the lower half of the front glass panel, just above the Home button.
- 5
Insert opening pick
2 minPull up on the suction cup to create a small gap at the bottom edge, then insert a plastic opening pick into the gap.
- 6
Slice display adhesive
3 minSlide the pick along the bottom, left, and right edges of the phone to cut through the perimeter waterproofing adhesive.
- 7
Open the display
1 minSwing the display open from the left side like the cover of a book, propping it upright against a stable object.
- 8
Unscrew lower bracket
2 minRemove the four Tri-point Y000 screws securing the lower display connector bracket to the logic board.
- 9
Remove lower bracket
1 minUse tweezers to lift and remove the metal lower display cable bracket from the phone.
- 10
Disconnect the battery
1 minUse the flat edge of a spudger to pry the battery connector straight up from its socket on the logic board.
- 11
Disconnect display cables
2 minPry the display cable and touch digitizer cable connectors straight up from their logic board sockets.
- 12
Unscrew sensor bracket
2 minRemove the three Tri-point Y000 screws holding the upper front panel sensor assembly bracket.
- 13
Remove display assembly
2 minDisconnect the front sensor assembly cable and lift the entire display assembly away from the rear case.
- 14
Expose adhesive pull-tabs
3 minUse tweezers to gently peel back the four black adhesive pull-tabs located on the top and bottom edges of the battery.
- 15
Pull battery adhesive strips
5 minSlowly pull each stretch-release adhesive strip outward at a flat angle until it slides out entirely from beneath the battery.
- 16
Remove the old battery
1 minLift the old battery out of the rear case using a plastic opening tool, taking care not to bend or puncture it.
- 17
Install new adhesive strips
3 minAffix new stretch-release adhesive strips onto the back of the replacement battery, removing the protective backing.
- 18
Install the new battery
2 minPlace the new battery into the rear case, align it properly, and press down firmly to secure the adhesive.
After your Apple iPhone 8 Plus battery replacement
Power the iPhone 8 Plus 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 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 8 Plus repair context in the encyclopedia, or open related DIY guides.
