[* red] There are 10 9.0mm screws to remove before you can pop the cover off, not including the ones removed for the battery. There are three on either side, two on the side opposite the battery slot, and two in the middle. Use a Phillips head #1 screwdriver to unscrew them. Be sure to keep them in a safe place.
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[* red] Unscrew the 10 9.0 mm screws holding the back panel on using a Philips head #1 screwdriver.