Introduction
Before accessing the joystick, several prerequisite steps are required. This guide will show you how to disassemble to device in order to access the joystick for proper maintenance.
Tools
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            Slide the protective panel on the backside of the phone downward and remove it entirely, revealing the battery underneath. 
 
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            Remove the rubber plug located near the camera by gently prying upward with your fingers. 
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            Gently lift the camera shield after removal of the rubber plug. 
 
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            Pry the remaining panel to loosen its contact to the phone using a spudger. 
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            Slide the panel upward to remove it completely. 
 
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            Slowly lift the screen to reveal the green circuit ribbon connecting the screen to the phone. 
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            Gently pull the ribbon from the circuit. 
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            Remove the now disconnected screen. 
 
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            Soak cotton swab in rubbing alcohol 
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            Gently work the cotton swab around the joystick, removing any waste buildup that may hinder its use. 
 
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To reassemble your device, follow these instructions in reverse order.