Introduction
This will help you replace the motherboard of the phone to fix a hardware problem.
Tools
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            Using your thumb(s) slide the cover up to remove 
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            Remove the battery by using your finger either in the upper left or right corner 
 
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            Using the plastic opening tool gently insert it into the seam and work it around till the cover comes off. Being careful of the side buttons that pop off. 
 
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            Grasp the sides of the motherboard and gently rock back and forth . This is due to the sticky tape that is on the battery 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.