Nexus One Trackball Replacement

Using two fingers, push up on the rear cover.

The rear cover slides up and off.

Using the plastic opening tools, pry the left bottom corner of the battery up.

Pull the battery up and out.

Remove the two Torx T5 screws.

Remove the one Philips #00 screw.

Using the plastic opening tool, pry up the battery housing upwards.

Push pry tool down, undoing the plastic tab.

Pry the upper left tab open on the battery housing.

Pry the top tab of the battery housing.

Pry the right side tab of the battery housing.

Pull up on the battery housing.

Slide the battery housing out to remove it.

Using the plastic opening tool, push the blade into the space between the case and lower cover.

Turn the opening tool slightly, the lower cover will detach on that side.

Repeat on other side of the seam.

The lower cover will slide off.

Remove the one T5 Torx screw

Remove the one #00 Philips screw

Lift up the end of the antenna housing and slide it outwards.

Using the spudger, pry upwards on the second microphone connector.

Pull up on the ribbon cable, the tape will detach from the main board ribbon.

Pry the antenna cable up.

Carefully pull up on the microphone board to release the tape from the phone.

Insert the spudger under the connector.

Push the spudger up and twist to release the connector.

Repeat for the next connector.

Push on the USB port to expose the black connector.

Use the spudger to pry the connector upwards.

Place the spugder under the antenna connector.

Pry connector up vertically.

Insert the spudger into tab above the camera.

Slide upwards until the board detaches from the case.

Press the pointed tip of the spudger into the space below the button assembly.

Wiggle the spudger tip towards the outside of the button.

Push the pointed tip of the spudger into the base of the side button board.

Lift up, the board will disconnect from the case.

Push on the lower motherboard until it slides under the case support.

The motherboard assembly comes out as a single piece.

Save the small black rubber rectangular sound guide under the motherboard, to replace over the microphone.

Using the spudger, pry up the trackball housing to expose the trackball assembly.