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Phone · Apple · iPhone 16 Plus

Apple iPhone 16 Plus Battery Replacement

Battery Replacement guide for the Apple iPhone 16 Plus

Moderate
~48 min
25 steps

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

# Apple iPhone 16 Plus Battery Replacement Repair Guide Action-specific battery replacement walkthrough for the Apple iPhone 16 Plus. About 48 minutes across 25 steps. This DIY guide walks through battery replacement on the Apple iPhone 16 Plus (iPhone series phone). Before you open the device, confirm the exact model number on the Apple settings screen or rear housing so your replacement part matches the iPhone 16 Plus specifically—not a similar iPhone sibling. Most DIY techs finish this Apple iPhone 16 Plus battery replacement in about 48 minutes when parts and tools are ready. Difficulty is rated intermediate for this model. Recommended tools for this Apple iPhone 16 Plus job: P2 Pentalobe screwdriver, Tri-point Y000 screwdriver, Precision tweezers, Plastic spudger, Suction cup tool, Plastic opening picks, Heat gun or hair dryer. Parts and supplies: Replacement battery for iPhone 16 Plus, Battery adhesive strips, Pre-cut rear glass display seal adhesive, 90%+ Isopropyl alcohol. Power the iPhone 16 Plus off completely, remove SIMs/SD cards if present, and work on a clean, well-lit surface with a magnetic mat for screws. If a step feels wrong for your Apple iPhone 16 Plus, stop and compare the connector layout to the photos in this guide. When you prefer a same-day pro repair in Seattle instead, LML Repair can handle battery replacement for this model with tested parts and a workmanship warranty.

Step-by-step

  1. 1

    Power down the device

    1 min

    Press and hold the side button and volume down button simultaneously until the sliders appear. Slide to power off completely.

  2. 2

    Remove the bottom Pentalobe screws

    2 min

    Use a P2 Pentalobe screwdriver to remove the two 3.8 mm screws located on either side of the USB-C port.

  3. 3

    Heat the rear glass edges

    3 min

    Apply a hair dryer or heat gun around the perimeter of the back glass for 2 minutes to soften the internal adhesive.

  4. 4

    Attach a suction cup

    1 min

    Place a suction cup onto the lower portion of the rear glass just above the USB-C port.

  5. 5

    Create an opening gap

    2 min

    Pull up firmly on the suction cup to create a small gap between the glass and the aluminum frame.

  6. 6

    Insert an opening pick

    1 min

    Slide a plastic opening pick into the gap created at the bottom edge of the phone.

  7. 7

    Slice the bottom adhesive

    2 min

    Slide the pick back and forth along the bottom edge to slice through the factory adhesive.

  8. 8

    Slice the side adhesive

    3 min

    Carefully move the pick around the bottom-left and right corners, continuing up the sides to release the glass.

  9. 9

    Open the back glass

    1 min

    Gently swing the back glass open toward the right side like a book cover.

  10. 10

    Unscrew the lower connector bracket

    2 min

    Use a Tri-point Y000 screwdriver to remove the two screws securing the lower metal cover plate.

  11. 11

    Remove the connector bracket

    1 min

    Use tweezers to lift the metal shield plate out of the device.

  12. 12

    Disconnect the battery cable

    1 min

    Pry the battery press connector straight up from its socket using a plastic spudger.

  13. 13

    Disconnect the rear glass assembly

    2 min

    Use a spudger to disconnect the flex cable linking the back glass to the logic board.

  14. 14

    Separate the back glass

    1 min

    Lift the rear glass assembly away from the enclosure and place it in a safe area.

  15. 15

    Locate adhesive pull-tabs

    1 min

    Find the stretch-release adhesive tabs located at the top and bottom edges of the battery.

  16. 16

    Peel the adhesive tabs

    2 min

    Use tweezers to unstick the black pull-tab tips from the edges of the battery frame.

  17. 17

    Remove the battery adhesive strips

    5 min

    Slowly pull each adhesive strip out flat and parallel to the phone chassis until fully released.

  18. 18

    Remove the old battery

    3 min

    Lift the battery out of the rear enclosure. If stuck, apply a few drops of isopropyl alcohol around the edges.

  19. 19

    Clean the battery cavity

    2 min

    Wipe down the battery compartment using a lint-free cloth dampened with isopropyl alcohol.

  20. 20

    Prepare the replacement battery

    2 min

    Apply new adhesive strips to the underside of the new battery, pressing firmly into place.

  21. 21

    Install the new battery

    2 min

    Lower the new battery into the enclosure and press down evenly to secure the adhesive.

  22. 22

    Reconnect the rear glass and battery

    2 min

    Connect the rear glass flex cable, then press the battery connector into its motherboard socket.

  23. 23

    Reattach the metal bracket

    2 min

    Position the lower cover plate over the connectors and reinstall the Tri-point screws.

  24. 24

    Reseal and close the frame

    2 min

    Align the back glass with the enclosure frame and press along the edges until it snaps flush.

  25. 25

    Reinstall the Pentalobe screws

    2 min

    Thread 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.

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