Replace Broken Touchscreen Glass

HOW TO REPLACE BROKEN TOUCH / GLASS FOR LCD ??
1.Collect broken glass on touch screen for iphone 4s/5s/s3/s4.
2. Separate the glass from the lcd touch screen by the Seperating machine
3. Clean the LCD after removing broken glass
4. replace new glass on the touch screen with glue
5. Drying the new lcd under UV light
6. Finish

Tools needed:

1. Mobile phone LCD
2. touch separating machine