Schritt 1 übersetzen
These are the solder connections that will need to be desoldered. Since the board is upside down, left will become right.
Use a desoldering wick and flux to melt and remove the solder
This may take a bit of practice since all the solder will have to be removed. It does help to pull a bit on the joystick while melting the solder and using the wick.