Digitizer Assembly for iPhone 4 High quality outer glass lens, touch pad, and LCD frame replacement for iPhone 4 Replace your broken or non-functional screen with a new unit Complete fit and full functionality Each item is tested and verified in good working condition prior to shipping Professional installation is highly recommended; no responsibility will be accepted after installation Before Installation Notes: Test the unit before installation. Do not remove any protective film or labels during testing. Take precautions against static electricity. Always ground yourself using an ESD (electrostatic discharge) strap before beginning any repair to prevent damage to internal components. Wear eye protection and handle with care to avoid injury from glass fragments. Screen replacements are delicate. Test the unit before final installation. Perform a simulation test by connecting the new screen to the motherboard and powering on the device while disassembled. Confirm proper function before fully installing. If the screen does not display, contact support immediately. Do not force installation if malfunction occurs. No responsibility will be assumed after installation. Avoid excessive bending of the LCD cable. Bending beyond 90 degrees may result in display failure or black screen.