Fourth generation iPhone. Repair is straightforward, but the front glass and LCD must be replaced as a unit. GSM / 8, 16, or 32 GB capacity / Model A1332 / Black and White. This page aims to help users troubleshoot, fix, and seek help for the iPhone 4.
Place a piece of paper of the screw, and then try to unscrew it. This should theoretically fill in the missing spots for the screw to be removed. Use alot of pressure, and if possible, a duller screw.