Introduction
The camera button of Pantech Matrix C740 functions as the mechanism by which the camera is activated; however, faulty functioning of the camera button may cause the device to not allow picture-taking. Therefore, this guide serves as an aid in the replacement of the camera button for the Pantech Matrix C740.
Tools
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            Use a Phillips screwdriver to remove the four 2mm Phillips #000 screws from each corner of the device. 
 
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            Rotate the phone so the base is facing you. 
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            Use spudger to separate phone casing and inside as shown. 
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            Remove the casing carefully and set aside. 
 
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            Place phone with exposed motherboard facing you. 
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            Use a Phillips screwdriver to remove the five 2mm Phillips #000 screws holding the camera in place. 
 
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            Carefully remove the motherboard to expose the camera button. 
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            Grasp the camera button with a polypus and pull gently to remove the camera button. 
 
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To reassemble your device, follow these instructions in reverse order.