UV Glue LOCA Alignment Mould Holder for Samsung GALAXY S4 i9500 i9502 i9508 LCD Outer Glass Repair UV Glue LOCA Alignment Mould Holder for Samsung GALAXY S4 i9500 i9502 i9508 LCD Outer Glass Repair This item is used to align the LCD to the?glass when gluing them together.? It makes the process a lot easier and much faster.?