Then remove the two screws on both sides of the end of the spring. You now want to separate the front display on the rear panel for the coinage of spudger between the front panel of glass and chrome ring. Always be careful not to break the tape still connecting the two panels together. Then remove the wires labeled "1" then "2" in that particular order with the spudger. The last ribbon cable can be released by turning the white holding it in place. This will allow the front and rear cases to become completely separated. Then remove the eight screws holding the motherboard. Undo the tape labeled "4", then lift the motherboard. A tape of going to the camera we will attach. Remove the tape from the camera in particular to put to one side of the motherboard. Pry off the camera to allow the logic board from sliding out. Make sure all the screws holding the logic board is removed first. Pull the battery tab to remove. Replace with a new one and then put the pieces back together in reverse order to which he removed in.