Introduction
If there is no sound or if the quality of the speaker has diminished significantly, it may be time for a replacement. This guide will walk you through the process of replacing the speaker in your LG G Pad X 8.3.
Tools
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            Remove the cover of the SD card. Find it on the right side of the back of the tablet. 
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            Press the SD card in to make it pop out. 
 
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            Start at a corner and pry the screen up with a plastic opening tool. 
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            Slide the tool in the seam at the edge of the screen. 
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            Wedge additional plastic opening tools in the seam to help lift the screen. 
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            Slide both wedged plastic opening tools towards the bottom to pop the screen loose. 
 
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            With a Phillips #000 screwdriver, unscrew the six 4.0 mm screws that hold down the battery. 
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            With the Phillips #000 screwdriver, unscrew the two 4.0 mm screws that hold down the battery ribbon connector. 
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            Use a magnetic mat to keep track of these tiny screws for later reassembly. 
 
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            With a Phillips #000 screwdriver, unscrew the one 4.0 mm screw that is holding down the speaker. 
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            Use the magnetic mat to keep track of the tiny screw(s). 
 
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To reassemble your device, follow these instructions in reverse order.