Do you want to know how to take apart your PS5 Controller, so you can access the faceplate, thumbsticks so you can fix stick drive, remove the battery, disconnect the wires and remove the L1 R1 buttons. It's easy to take apart the controller, just be careful so you don't damage any wires or ribbons!
So if you want to customize the color of the controller you can remove the covers and spray paint those.