What you need
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Use a JCIS or JIS 00 screwdriver to remove the 1.6 mm‑long screw securing the battery management system cover.
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Use the tip of a spudger to pry up the microphone press connector.
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Slide an opening pick between the microphone ribbon cable and the battery to release the microphone ribbon cable from the battery.
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Use the point of a spudger to pry up and disconnect the battery press connector.
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Remove the ten stretch-release adhesive strips under the battery.
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If a pull tab breaks, first try to retrieve the adhesive under the battery with your tweezers.
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If you can't retrieve the broken adhesive, first remove as many other adhesive strips as possible.
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Then try inserting the flat end of a spudger under the battery, about 3 inches or more from either end, to slowly pry it up.
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Prop up the edge of the iPad closest to the edge of battery you're working on.
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Apply a few drops of high-concentration (>90%) isopropyl alcohol to the iPad frame near the broken adhesive strip so the alcohol runs under the battery.
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Wait at least one minute for the alcohol to dissolve the adhesive.
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Use a spudger or opening pick to gently pry up the battery.
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If the battery starts to bend at all, stop and apply more alcohol. Give the alcohol time to dissolve the adhesive.
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