With the help of an opening tool, remove the battery cover.

Remove the battery.

Remove the SIM and microSD cards.

Remove the 9 Phillips screws and release the intermediate housing using the opening tool.

Disconnect all connectors from the motherboard, also the coaxial cables and the plastic that covers the front camera and the proximity sensor.

Remove the front camera, then remove the Phillips screws to remove the audio connector, and you can remove the motherboard.

Carefully lift the flex from the vibrator, and then, also carefully, raise the vibrator.