Nexus Tablets - Nexus 9 – Disassembling procedure – How to replace the battery – How to remove the camera

With your fingers, carefully pry off the back plastic casing. Starting at the corners is usually the easiest.
The rear-facing camera seems to fit a little too snugly in its compartment on the rear case; so make sure that it stays connected to the motherboard.

Carefully peel up the copper shielding with your fingers.

Before fully removing the copper shielding, make sure that the blue antenna cable is out of the way of the copper tab.

Using the spudger tool, carefully remove the bottom of the battery from it's location below the logic boards.

The battery is attached to the motherboard with some adhesive, so you may need an Opener to loosen up the adhesive.
Do not pull the battery from the tablet yet, as it is still connected to the motherboard.

Now remove the metal clip covering the battery's connector cable located above the top left of the battery with the spudger.

After the metal clip is wiggled free, the battery's connector cable can be easily removed by just gently tugging it free.

The battery should now lift free of the tablet.

This step is not necessary if you have already removed the battery.

Carefully peel up the copper shielding with your fingers.
Before fully removing the copper shielding, make sure that the blue antenna cable is out of the way of the copper tab.

Unscrew the three 3 mm Torx T5 screws on the antenna board.

This step and the next show the battery removed, but it is not necessary to remove it if you are only replacing the antenna board.

Use your fingers or a pair of tweezers to disconnect the blue antenna cable from the motherboard.

When reinstalling the antenna, be sure to clean it with a degreaser such as windex or isopropyl alcohol. The oils on your fingers have the potential to create wireless interference.
The antenna board should now lift free of the motherboard.

Remove the three 3mm T5 Torx screws.

Remove the five 2 mm Phillips #000 screws.

Using your fingers, pull up on ribbon connector to expose another ribbon connector below.

Remove the two 2 mm Phillips #000 screws on top of the second ribbon connector.
Pull up the ribbon connector with your fingers.

With both ribbons out of the way, you can now lift the motherboard off of the tablet with your hand.

The camera is attached to the back side of the motherboard via a ribbon cable.
Use a spudger or your fingernail to disconnect the camera from the motherboard.
There is a small board that comes off easily with the camera. It is attached to the camera with a
ZIF connector, and will need to be swapped over to the replacement camera.