Introduction
We will now remove the logic board from the phone.
Tools
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            Turn the phone off. 
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            Hold the phone, and gently press the white button located at the bottom of the phone. 
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            While pressing the button, slide the back plate upwards, opening the plate. 
 
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            Locate grey buttons beneath battery (shown). 
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            Spread buttons simultaneously away from each other and the battery will pop out. 
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            Remove battery from phone. 
 
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            Push the two black buttons on the side with your thumbs forward. This will release the front faceplate. 
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            Flip over the device, and pry the faceplate away. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.