Sadly, I don't know how to install them :oops: I expected the instructions would have come with them, but perhaps that was asking for too much.
It looks like I need to pry up several rubber bumpers in order to get to the screws (which I believe are Torx #6?) in order to remove the current case and make the changes.
Sadly, I really depend upon my phone, so with great restraint, I have had to refrain from doing so yet.
Does anyone have a primer on changing the case for the MPx220? awarner did an incredible job of showing us how to dissect an MPx200 earlier. I'm wondering if he, or someone else with more experince, will have ago at it.