Introduction
This guide will show you the proper steps to take apart the back metal casing from your Nikon Coolpix S639.
Tools
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            The battery compartment is located on the bottom of the camera. 
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            Place your thumb on the battery door. 
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            Slide the door away from the camera in the direction the arrow points to. 
 
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            Slide the yellow tab towards the back of the camera. 
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            The battery should pop out. 
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            Remove the battery. 
 
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            Press the memory card down into the camera. 
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            The memory card should pop out. 
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            Remove the memory card. 
 
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            Unscrew the two 3.5mm Phillips screws from the side with the AV outlet. 
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            Unscrew the 3.5mm Phillips screw from the opposite side of the camera. 
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            Unscrew the six 3.5mm Phillips screws from the bottom of the camera. 
 
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To reassemble your device, follow these instructions in reverse order.