Ok, I replaced the glass on my Galaxy S4 utilizing the following items. -=FROM AMAZON=- * Prokit UV glue 3.5ml LOCA Liquid optical clear adhesive -=FROM EBAY=- * S4 glass lens * Infrared thermometer * Plastic razor blades -=FROM AROUND THE HOME=- * Heat gun (Ace Hardware) * Standard screwdriver and spludger kit for smartphone repair * Isopropryl alcohol * Gauze sponges * Lint free cloth This was my first time and I learned the following things so I will share them here with you. Like all the videos say, You need to go SLOW and really take your time separating the glass from the digitizer/LCD. The digitizer and LCD are pretty robust but if you don't go slow you can crack the LCD while separating the broken glass. It would be VERY difficult using a heat gun without an infrared thermometer. The temperature of the glass fluctuated very quickly so I had to keep adjusting the distance of the heat gun from the glass to ensure the temperature stayed around 180-190 degrees F. Use gloves! The glass and metal frame...