Phone · Apple · iPhone 16 Plus
Apple iPhone 16 Plus Battery Replacement
Battery Replacement guide for the Apple iPhone 16 Plus
Before you begin
Tools
- P2 Pentalobe screwdriver
- Tri-point Y000 screwdriver
- Precision tweezers
- Plastic spudger
- Suction cup tool
- Plastic opening picks
- Heat gun or hair dryer
Parts / materials
- Replacement battery for iPhone 16 Plus
- Battery adhesive strips
- Pre-cut rear glass display seal adhesive
- 90%+ Isopropyl alcohol
Safety
- Discharge the battery below 25% prior to disassembly to prevent fire risk if punctured.
- Wear eye protection when working with glass and applying heat.
- Do not use metal tools directly on or near the battery cell.
Overview
Step-by-step
- 1
Power down the device
1 minPress and hold the side button and volume down button simultaneously until the sliders appear. Slide to power off completely.
- 2
Remove the bottom Pentalobe screws
2 minUse a P2 Pentalobe screwdriver to remove the two 3.8 mm screws located on either side of the USB-C port.
- 3
Heat the rear glass edges
3 minApply a hair dryer or heat gun around the perimeter of the back glass for 2 minutes to soften the internal adhesive.
- 4
Attach a suction cup
1 minPlace a suction cup onto the lower portion of the rear glass just above the USB-C port.
- 5
Create an opening gap
2 minPull up firmly on the suction cup to create a small gap between the glass and the aluminum frame.
- 6
Insert an opening pick
1 minSlide a plastic opening pick into the gap created at the bottom edge of the phone.
- 7
Slice the bottom adhesive
2 minSlide the pick back and forth along the bottom edge to slice through the factory adhesive.
- 8
Slice the side adhesive
3 minCarefully move the pick around the bottom-left and right corners, continuing up the sides to release the glass.
- 9
Open the back glass
1 minGently swing the back glass open toward the right side like a book cover.
- 10
Unscrew the lower connector bracket
2 minUse a Tri-point Y000 screwdriver to remove the two screws securing the lower metal cover plate.
- 11
Remove the connector bracket
1 minUse tweezers to lift the metal shield plate out of the device.
- 12
Disconnect the battery cable
1 minPry the battery press connector straight up from its socket using a plastic spudger.
- 13
Disconnect the rear glass assembly
2 minUse a spudger to disconnect the flex cable linking the back glass to the logic board.
- 14
Separate the back glass
1 minLift the rear glass assembly away from the enclosure and place it in a safe area.
- 15
Locate adhesive pull-tabs
1 minFind the stretch-release adhesive tabs located at the top and bottom edges of the battery.
- 16
Peel the adhesive tabs
2 minUse tweezers to unstick the black pull-tab tips from the edges of the battery frame.
- 17
Remove the battery adhesive strips
5 minSlowly pull each adhesive strip out flat and parallel to the phone chassis until fully released.
- 18
Remove the old battery
3 minLift the battery out of the rear enclosure. If stuck, apply a few drops of isopropyl alcohol around the edges.
- 19
Clean the battery cavity
2 minWipe down the battery compartment using a lint-free cloth dampened with isopropyl alcohol.
- 20
Prepare the replacement battery
2 minApply new adhesive strips to the underside of the new battery, pressing firmly into place.
- 21
Install the new battery
2 minLower the new battery into the enclosure and press down evenly to secure the adhesive.
- 22
Reconnect the rear glass and battery
2 minConnect the rear glass flex cable, then press the battery connector into its motherboard socket.
- 23
Reattach the metal bracket
2 minPosition the lower cover plate over the connectors and reinstall the Tri-point screws.
- 24
Reseal and close the frame
2 minAlign the back glass with the enclosure frame and press along the edges until it snaps flush.
- 25
Reinstall the Pentalobe screws
2 minThread and tighten the two bottom 3.8 mm Pentalobe screws to complete the assembly.
After your Apple iPhone 16 Plus battery replacement
Power the iPhone 16 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 16 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 16 Plus repair context in the encyclopedia, or open related DIY guides.

