Chosen Solution

I had my HTC One M9 sapphire camera lens/glass broken. I got part replacement from ebay PT# KQMA659. My question is how to remove the broken one and replace the new lens cover?

If u have any exacto blades u run it around the perimeter of the rubber casing that holds the lens cover on then after it is off you take out the sapphire lens pop the new one into the rubber casing and pop the casing back into its spot.

Was super easy, just used a razor blade edge to get the old lens off, carefully remove the old adhesive if any is there, put the new lens on… took about 3 minutes and my phone is perfect again