Use the spudger to pry off the two rubber feet near the hinge of the laptop. This will reveal two hidden 9mm screws.
You must remove eleven screws.
Four 9mm screws with the PH0 screwdriver.
Seven 6mm screws with the PH0 screwdriver.
Use the spudger to pry the corners of the laptop near the display hinges.
Pry around the seam of the laptop with the plastic opening tool until the backing begins to pull apart.
When you lift the bottom cover, there is a cable connected between the motherboard and the bottom cover. Be careful not to pull the cable loose!
Use the plastic opening tool to lift the white tab up at the connection.
Pull the cable outwards.
Remove the four 6mm screws from the battery with the PH0 screwdriver.
Use the spudger to pry up the blue/white speaker wires that are routed beside the battery.
Remove the battery cable from the motherboard by gently pulling out on the black part of the cable closest to the white tab.
Remove the battery.