Introduction
The back cover is the only layer between the motherboard and the many things things that can ruin the motherboard. Expect the six screws that hold the cover to the device to be fastened tightly.
Step 1 Removing the Battery
Use a standard Phillips #00 screwdriver to loosen the 4mm screw that keeps the battery cover attached to the back of the device.
Step 2
The screw will remain attached to the battery cover because of Nintendo's design.
Lift up the battery cover and remove it from the device.
The screw will remain attached to the battery cover because of Nintendo's design.
Step 3
Use your fingers or a plastic opening tool to remove the battery from the device.
Step 4 Removing the Back Cover
Four #00 6.45mm tri-wing screws that are located at the corners of the device
Using the tri-wing screwdriver, unscrew all the screws that hold the back cover to the device. The six screws that need to be removed include:
Four #00 6.45mm tri-wing screws that are located at the corners of the device
Two #00 4.6mm tri-wing screws that are located at the top-center and bottom-center of the device
Step 5
Lift the back cover off of the device