... screen digitizer,original lcd and frame.2. It was used to replace your wrong, damaged, cracked, not recognised lcd ... was out of our reponsibility .(if you dont know how to check the function before installation ,please contact us ,we ... pictures.)4.When you shipping the defective products back to us ,keep the protective film on it both on ... dgitizer and the back of lcds. front screen repair for iphone 4 ...