So I was pulling my iPhone 4 out of my shorts pocket and it slipped out of my hand and landed in my driveway. I picked it up and the back glass is completly shattered. Im not talking a crack or two, Im talking completely shattered. I have invisishield on both front and back. I measured my pocket height and its only about 30" above the ground. I have dropped my previous cell phones on occasion and have never had an issue. I' am dissapointed but thankfully it still works fine. Now, is there a way to replace my back glass? I have not purchased a warranty, if I do so will the back glass be covered? What are my options to repair the back glass? Please help!