Nintendo 3DS XL Microphone Replacement

Loosen the two #00 Phillips 4.2 mm-length screws located at the top of the back cover.

Hold the device so that the cover is facing up.

Using a plastic opening tool, pry off the cover starting at the top right corner.

Hold the edge of the cover to ensure it does not reattach.

Look for the small section below the stylus compartment. Pry off the cover at that point if it is still attached.

Take off the cover of the device and set it aside.

Insert the plastic opening tool into the opening located on the right side of the battery.

Pry off the battery from the lower casing.

Lift the battery out of the case and set aside.

Using tweezers pull out the rubber bumpers that are located at the top of the device on either side of the game cartridge compartment.

Remove the six 6.2 mm screws using a Phillips #000 screwdriver.

Remove the 2.3 mm screw located above the game cartridge slot with a Phillips #000 screwdriver.

With a plastic opening tool pry off the lower case starting at the bottom edge and working around the perimeter.

Two ribbon cables connect the case to the circuit board. Be careful to not pull the case too hard and rip the ribbon cables.

Remove the ribbon cables located underneath the left and right bumpers by prying up the base of the cables with a plastic opening tool.

Completely remove the lower case from the rest of the device and set aside.

Position the device such that the game cartridge slot is located at the top.

Locate the microphone in the bottom left corner.

Using tweezers remove the microphone.

Using the flat head side of the spudger carefully lift up the flap and remove the ribbon.

The attached microphone can now be removed.