I already had this case, I bought it at the same time I got the phone, but like you all know the OEM battery is HORRIBLE.
So having gotten the Seidio 3500Mah battery, which is a "must have" and wanting a case. I already had this one and it was now useless. So here is what a friend of mine and I did to ours.
Cut off wheel (the fiber reinforced ones are the best)
Off the phone
On the phone