Introduction
Pre-req only guide on disconnecting the battery
What you need
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If possible, drain the battery before disassembly. When the battery is charged, there's an increased risk of a dangerous thermal event if the battery is overheated or damaged during repairs.
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Prepare an iOpener and heat the back of the phone along its bottom edge for about two minutes, or until it's slightly too hot to touch. This will help soften the adhesive securing the rear glass.
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Apply a suction cup to the bottom edge of the rear glass.
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Pull up on the suction cup with firm, constant pressure to create a slight gap between the rear glass and the frame.
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If you have trouble, apply more heat to further soften the adhesive, and try again. The adhesive cools quickly, so you may need to heat it repeatedly.
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Insert an opening pick into the gap you created under the rear glass.
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Use a pair of tweezers to carefully peel up the black tape covering the battery.
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Remove the tape.
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Use a Phillips driver to remove seventeen screws securing the plastic cover:
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Eleven grey 3 mm-long screws
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Five black 2.5 mm-long screws
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One silver 3.5 mm-long screw
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Use the pointed end of a spudger to pry up the battery connector and disconnect it.
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