Introduction
This guide will walk you through how to replace the Camera in your Samsung Galaxy Tab 3 Lite. To do this, you'll need to remove the back case of your tablet beforehand. The guide for that is listed here as well. Follow all instructions carefully, and take your time.
Tools
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            Using a plastic opening tool, wedge in the seam between the screen and the case. 
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            Rock the tool by moving it towards and away from the middle of the screen, trying to separate the tape holding the screen and case together. 
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            This is a long process, so don't try and rush it. Also, be careful about applying pressure. 
 
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            After separating the tape holding the screen and case together, slowly start taking the screen off the case from the opposite side of the side with the buttons 
 
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            Use the plastic opening tool to lift up the zero insertion force (ZIF) connector holding down the battery ribbon cable. 
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            Use the precision tweezers to remove the ribbon cable from the ZIF connector. 
 
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            Use the plastic opening tool to lift up the zero insertion force (ZIF) connector holding down the battery ribbon cable. 
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            Use the precision tweezers to remove the ribbon cable from the ZIF connector. 
 
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            Use the precision tweezers to remove the black plastic corner on top of the motherboard. 
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            Use the plastic opening tool to pull the motherboard off the case. 
 
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            Flip the motherboard over and locate the camera in the middle. 
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            Use the plastic opening tool to gently lift up the flap holding the camera cable in place. 
 
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To reassemble your device, follow these instructions in reverse order.