If you have a swollen battery, handle it carefully and follow proper safety procedures when replacing it.
Use a plastic opening tool or your fingernail to insert into the notch between the rear case and the phone's body.
Avoid using force, which may break the perimeter clips.
Insert the plastic opening tool into the top edge of the phone and twist it counterclockwise to pry open the gap.
Move the plastic opening tool around the top left corner, prying up the rear case.
Use a pry tool to pry along the top right side.
Remove the rear case by lifting it upwards.
Peel it away carefully if stuck due to clips on the bottom of the phone.
Use your finger to pry the battery from its recess.
Disconnect and remove the battery.
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