After we open the back cover of the unit

this shows the mid frame and main board of the unit.

Remove the back camera from the main board

Gently remove the front camera connection from the main board.

Remove the LCD connection from the main board.

In this step, i used a cut of vinyl card for prying the main board.

Make sure that you pry it gently

This is the main board of LG Y90 supposed to look like.

Remove the vibrator of the unit, you can use a pry or any soft flat and non-conducting material.

Remove the front camera with your own pry gently.

The front camera should look like this.

Remove the ear piece.

Remove the audio jack.

This are the placement of the components that you remove.

The mid board.

Lastly, the back panel.