Generic Touch Screen LCD Display Digitizer Assembly Replacement for Samsung Galaxy S4 i9500 i9505 i337 i545 (i545 White with frame) If your device that works great, but the display is damaged in some way, this auction is what you need It is used to repair faulty screen, this will also cure: display problems, dead pixels, cracked screens, wrong color issues Each item is tested before shipping to ensure 100% functionality . Note: Instruction isn't included. Professional technician is needed for installation. Free tools as the picture .