This repair guide focuses on the battery. Ensure you have the correct replacement part before proceeding. To assemble a new screen and battery assembly (including the frame, screen, and battery), use an alternative guide.
A fully charged lithium-ion battery may pose a safety risk.
Be cautious if the battery is swollen.
Unplug any connected cables from the phone.
Apply a heated iOpener to the right edge of the back cover for two minutes.
Apply a suction handle to the back cover, near the right edge's center.
If no gap forms, apply more heat as needed, following iOpener guidelines to prevent overheating.
Apply a iOpener to the bottom edge of the back cover and heat it for 2 minutes.
Hold the pick at the bottom right corner and rotate it slowly.
Apply iOpener to the left edge of the back cover and heat for 2 minutes.
Rotate the opening pick counterclockwise around the bottom left corner of the device.
Place a iOpener on the top edge of the back cover and heat it with a hair dryer or similar device.
Insert an opening pick into the top left corner and rotate it to loosen the adhesive.
Insert a fourth opening pick at the top left corner.
Locate the square of adhesive above the rear microphone, just below the flash.
Remove the back cover.
If stuck, use an opening pick to loosen any resealed adhesive.
Reapplying back cover adhesive correctly is crucial for maintaining water resistance.
Remove all original adhesive from the back cover and phone using tweezers or fingers, or heat/lint-free cloth with isopropyl alcohol (90%+).
For custom-cut adhesives, refer to this guide.
Use a spudger to carefully pry up the wireless charging coil press connector from the motherboard.
Note: A small arrow is printed near each press connector on the board, indicating the recommended prying location.
Remove the thirteen 3.5 mm-long screws using a Phillips screwdriver.
Locate the notch at the top left corner of the loudspeaker, indicated by an arrow.
Lift the loudspeaker away from the frame using your fingers.
Use a spudger to carefully pry up the battery press connector and release it.
Remove the interconnect cable press connectors using a spudger.
Remove the interconnect cables by gently pulling them out.
Use a spudger to pry up the display cable press connector near the bottom edge.
Move the battery cable and antenna cable aside to access the battery.
Careful not to damage the battery — risk of fire or chemical leakage.
Ensure the small tabs above and below the blue pull tab are separated from the rest.
Locate the double-sided adhesive holding the battery in place.
Apply steady, firm force to lift the blue pull tab straight up until the battery separates from the adhesive.
If necessary, apply 1-2 drops of high-concentration (90% or more) isopropyl alcohol to the left edge of the battery.
Carefully position the battery over the right phone edge, avoiding any bending or damage to the frame.
Peel up the remaining film from the battery frame.
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