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Ensure the device is powered down and unplugged.
Turn the device upside down with the battery compartment facing you.
Slide the black slider to the right and lift the battery out of its compartment.
Locate and remove the six Phillips PM2.5×7.0 screws around the perimeter of the back plate.
These screws do not completely detach from the device when unscrewed.
Use the plastic opening tool to lift up the back plate and set it aside.
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