There are some connections you need to desolder and one screw you need to remove.

the red circled solder joints may need to be desoldered (see comments below guide), I am not sure about the green circled, but try not to if possible

the flexible circuit board is held by strong double sided tape and it might appear that you need to desolder more joints, when it's actually just the tape holding it.

Your goal is to get to state like in the second picture, where I've bent the flex circuit boards open to gain access to the white flexible ribbon cable