mine (ATT) just cracked after slipping underneath car seat and hitting something metal
found the replacement door and housing for $36 on ebay
lesson here: buy the cover and WAIT FOR IT TO ARRIVE before starting to use any phone with glass all around. mine is still in the mail, somewhere...
ebay item: 150951735574
LG Optimus G | LG Nitro HD | Apple iPhone 4S | Apple iPhone 3GS | Samsung Flight II | Samsung Sync SGH-A707 | Nokia 6030 | Apple iPhone | Motorola SLVR L7e | Samsung SGH-A777 | Cingular 8125 | Motorola V551 | Sony Ericcson T310 | Siemens c45 | Motorola MPx 200 | Nokia 3595 | Motorola 2260 | Panasonic Allure TX310