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Apple iPhone 7 Plus Battery Replacement

Battery Replacement guide for the Apple iPhone 7 Plus

Moderate
~50 min
24 steps

Before you begin

Tools

  • P2 Pentalobe Screwdriver
  • Y000 Tri-point Screwdriver
  • Phillips #000 Screwdriver
  • Plastic Spudger
  • Opening Picks
  • Suction Cup
  • Tweezers
  • iOpener or Heat Gun

Parts / materials

  • Replacement iPhone 7 Plus Battery
  • Replacement Battery Adhesive Strips
  • Display Frame Adhesive Sticker
  • Isopropyl Alcohol (90% or higher)

Safety

  • Discharge battery below 25% prior to repair to reduce the risk of thermal runaway.
  • Do not puncture, bend, or apply direct metal tools against the battery.
  • Wear eye protection when heating or prying phone components.

Overview

# Apple iPhone 7 Plus Battery Replacement Repair Guide Action-specific battery replacement walkthrough for the Apple iPhone 7 Plus. About 50 minutes across 24 steps. This DIY guide walks through battery replacement on the Apple iPhone 7 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 7 Plus specifically—not a similar iPhone sibling. Most DIY techs finish this Apple iPhone 7 Plus battery replacement in about 50 minutes when parts and tools are ready. Difficulty is rated intermediate for this model. Recommended tools for this Apple iPhone 7 Plus job: P2 Pentalobe Screwdriver, Y000 Tri-point Screwdriver, Phillips #000 Screwdriver, Plastic Spudger, Opening Picks, Suction Cup, Tweezers, iOpener or Heat Gun. Parts and supplies: Replacement iPhone 7 Plus Battery, Replacement Battery Adhesive Strips, Display Frame Adhesive Sticker, Isopropyl Alcohol (90% or higher). Power the iPhone 7 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 7 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 iPhone

    1 min

    Press and hold the Side button until the power slider appears, then slide to switch off the phone.

  2. 2

    Remove bottom pentalobe screws

    2 min

    Use a P2 pentalobe screwdriver to remove the two 3.4 mm screws on either side of the Lightning port.

  3. 3

    Warm the lower edge

    2 min

    Apply a warm iOpener or heat gun to the bottom edge of the phone for two minutes to soften the display adhesive.

  4. 4

    Attach suction cup

    1 min

    Place a suction cup onto the lower half of the display assembly, positioned just above the Home button.

  5. 5

    Create a display gap

    2 min

    Pull up on the suction cup with firm pressure to create a small gap between the front panel and rear case.

  6. 6

    Insert opening pick

    1 min

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

  7. 7

    Slice bottom and left adhesive

    3 min

    Slide the pick around the bottom-left corner and up the left edge of the phone to cut through the display adhesive.

  8. 8

    Slice right edge adhesive

    3 min

    Reinsert the pick at the bottom edge and slide it up the right edge, stopping before the top-right corner.

  9. 9

    Open the display assembly

    1 min

    Gently swing the screen open from the left side like opening a book cover.

  10. 10

    Remove lower display bracket screws

    2 min

    Use a Y000 tri-point screwdriver to remove the four screws securing the lower display cable bracket.

  11. 11

    Detach lower display bracket

    1 min

    Use tweezers to lift the metal lower display bracket off the logic board.

  12. 12

    Disconnect the battery

    1 min

    Use a plastic spudger to pry the battery connector straight up from its logic board socket.

  13. 13

    Disconnect lower display cables

    2 min

    Pry up the two lower display press connectors from their sockets on the logic board.

  14. 14

    Remove upper bracket screws

    2 min

    Remove the three screws securing the upper display assembly bracket using a Phillips #000 screwdriver.

  15. 15

    Separate display from body

    2 min

    Disconnect the front sensor assembly cable and set the entire display assembly aside.

  16. 16

    Unstick battery pull-tabs

    2 min

    Peel back the three black adhesive pull-tabs from the bottom edge of the battery.

  17. 17

    Pull out adhesive strips

    5 min

    Slowly pull each adhesive strip straight out from underneath the battery at a low angle.

  18. 18

    Pry out remaining battery

    3 min

    If a strip snaps, apply a few drops of isopropyl alcohol under the battery and lift it out with a plastic opening card.

  19. 19

    Apply new battery adhesive

    2 min

    Apply new replacement adhesive strips to the backside of the new battery, smoothing out any air bubbles.

  20. 20

    Install the new battery

    2 min

    Set the new battery into the rear enclosure and press down firmly to secure it.

  21. 21

    Reconnect display and sensor cables

    3 min

    Attach the front sensor cable and display cables back into their logic board sockets.

  22. 22

    Reconnect battery and reattach brackets

    4 min

    Snap the battery connector in place, replace all metal brackets, and secure them with their original screws.

  23. 23

    Close the display assembly

    2 min

    Align the top hooks of the screen into the case and press firmly down the sides until it snaps flush.

  24. 24

    Fasten bottom pentalobe screws

    1 min

    Reinstall the two P2 pentalobe screws into the bottom edge of the phone to complete the repair.

After your Apple iPhone 7 Plus battery replacement

Power the iPhone 7 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 7 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 7 Plus repair context in the encyclopedia, or open related DIY guides.

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