HTC One Max – Disassembling procedure – How to replace the mother board – Fingerprint sensor removal

Lift back cover while pressing highlighted release switch towards the center of the phone.

Remove the thirteen Tri-Wing screws (Upper & Lower screws are 5 mm length, middle screws are 3.8 mm length) from the back case. Disconnect the cable near the volume buttons.

Use the small plastic opening tool to pry between the screen and the rear case.

Use Tweezers to disconnect the ribbon cable connecting the fingerprint sensor to the motherboard.

When replacing the fingerprint sensor, make sure the ribbon cable snaps into the port on the motherboard.

Remove the two 2.2 mm Phillips #000 screws holding the battery cable.
Use a plastic tool to remove the ribbon cable.

Use the plastic opening tool to disconnect the two antenna wires at the top of the phone.
Use the plastic opening tool to disconnect a third antenna wire at the bottom of the phone.

Remove the seven 3 mm Phillips #000 screws from the motherboard.

Use a plastic tool to pry up and disconnect the large ribbon cables on each side of the motherboard.

Use caution prying the ribbon cable on the right side because other ribbon cables run under it.

Remove the tape covering three flex cable gate connectors on the bottom left side of the phone.

Use small plastic opening tool to pry open the latch on each of these gate connectors to disconnect the three cables.
Use small plastic opening tool to pry open the latch on each of these gate connectors to disconnect the three cables.

Use a plastic tool to lift and remove the motherboard.

Use a heat gun to loosen adhesive at bottom if needed.