[* black] Disconnect the white ribbon cable attached to the button membrane, which will completely separate the motherboard from the device.
[* black] NOTE: Make sure the motherboard is fully in place and not sticking up past its original position, as this could causewill damage the motherboard to snap when the top of the device is re-attachedduring re-assembly.
[* black] NOTE: Make sure the motherboard is fully in place and not sticking up past its original position, as this could causewill damage the motherboard to snap when the top of the device is re-attachedduring re-assembly.