Introduction
As it controls the whole phone, knowing how to remove the motherboard of the ZTE Speed is important.
Tools
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Remove the seven 3.175mm Phillips head screws from the inner back located at the top, upper-middle-right, middle-right, lower-right, and bottom.
 
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With the plastic opening tool the spudger, gently pry off the inner back.
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Be careful not to pry it off too hard, as it is just a plastic covering.
 
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Remove the one 2.381mm Phillips head screw from the motherboard located in the upper-middle part of the phone next to the bottom left corner of the back camera.
 
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Using the spudger, gently pry up all ZIF connectors
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ZIF connectors have a tiny tab that needs to be flipped up in order to safely remove the cable
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Using same spudger, gently pry up the orange flat top connector
 
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To reassemble your device, follow these instructions in reverse order.