You should get a full new replacement screen when your Unnecto Quattro S screen broken, dead pixel. The original screen replacement and digitizer may be the part you are looking for.
Screen Size: 4.0 inches
Color: Black, White, Navy
Compatibility: Unnecto Quattro S
Phone LCD Wholesale is the best place to buy for Unnecto Quattro S screen replacement LCD. Each item was double tested before shipping and quality guaranteed.