On the left side of the phone, there are three copper colored clips.

Unclip the bottom clip, thread the middle one through the logic board, and pull the top one out gently.

You can then lift the logic board out of the phone.

Do this at an angle, lifting the side to the right of the SIM card instructions.

One of the strips is attached to the front of the case, and goes through the logic board. Be careful not to break this piece.