Once you have opened your device, fold the screen away from the battery.

Metal spudgers can puncture an unprotected battery, potentially causing a fire. When working with electronics, it's important to choose a tool that's ESD-safe to avoid accidental damage to the device. The regular black nylon spudger or a plastic opening tool should be used whenever possible.

Unplug the touch pad from the motherboard. Do this by applying pressure on the thin black piece(attached at the bottom of the metallic foil) Press the plastic spudger against the thin black piece and release it.