Sony Xperia Z1 Compact Motherboard Replacement

Heat along the edges of the back cover using a heat gun to soften the glue.

Attach the small suction cup to the back cover near the bottom of the phone.

Pull up on the suction cup and insert the plastic opening tool in between the back cover and the rest of the phone.

Move the spudger around the edge of the back cover to separate it from the black adhesive.

Carefully disconnect the battery from the logic board by using the plastic spudger as a lever.

Remove the single 1 x 3.0 mm screw holding the battery in using the JIS #00 screwdriver.

Pry the battery up from the ends using the plastic spudger until the battery pops out of the enclosure.

Remove the battery from the device

Unscrew the four screws on the corners of the back frame using the JIS #00 screwdriver.

Wedge the plastic opening tool under the back frame. Move the plastic opening tool around the entire frame to separate it from the adhesive.

Remove the back frame.

Wedge the spudger underneath the external speaker. Pull up on the external speaker using the spudger.

Remove the external speaker.

Remove the square rubber gasket from the camera using the plastic spudger.

Remove the black plastic corner still holding in the motherboard.

Carefully pry up on the four sides of the motherboard using the plastic spudger til it separates from the base of the phone.

Remove the motherboard from the device.